Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire – Full Product Review & Buyer Guide
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire is a high‑performance rear wheel assembly designed to upgrade off‑road motorcycles, pit bikes, and small motocross bikes. Engineered with premium aluminum materials and precision manufacturing, this product delivers strength, durability, and optimized performance for riders seeking enhanced ride quality and improved traction. In this detailed review, we cover features, specifications, applications, and comparisons with other rear wheel systems.
Product Overview
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire is a complete rear wheel hub and tire assembly that fits a range of pit bike and small dirt bike models. This assembly includes a lightweight aluminum rim, robust hub, and quality tire ready for installation. Designed to support a mono swing arm setup with a 420 mm chain length, this product enhances stability and handling while tackling trails, tracks, and rough terrain.
With compatibility across several popular models such as PIRANHA 140RE, 190‑4V, YCF SP2, and SP3, the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire is a versatile upgrade for riders looking to improve grip and overall ride performance.
Key Features & Specifications
Aluminum Rim Construction
The rim on the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire is made from lightweight yet strong aluminum alloy, which increases durability while keeping rotational mass low. This helps with acceleration and responsiveness.
Hub Design
Featuring a precision‑machined hub, the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire provides excellent alignment and strength under load. The hub bearings are designed for smooth rotation and extended use.
Tire Quality
Equipped with a tire suited for mixed‑terrain riding, the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire delivers reliable traction on dirt, gravel, and loose surfaces. The tread pattern supports stability and grip during acceleration and cornering.
420 mm Chain Compatibility
This wheel assembly is optimized for a 420 mm chain length setup, which is common on many pit bikes and smaller motocross machines. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire fits cleanly into these systems without requiring extensive modifications.
Performance & Riding Benefits
Enhanced Stability
When installed, the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire improves rear wheel stability at speed and during cornering. The aluminum rim reduces flex, which helps with consistent handling.
Improved Traction
Thanks to its tread design and quality tire compound, the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire maintains traction in both loose dirt and harder pack surfaces.
Responsive Ride Feel
By reducing weight and increasing hub precision, this assembly gives riders a more responsive ride, especially noticeable in acceleration and braking transitions.
Installation & Fitment Guide
Installing the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire typically requires standard motorcycle tools. Riders should ensure proper torque on all fasteners, check chain alignment, and confirm brake engagement after installation.
Compatible motorcycles include:
-
PIRANHA 140RE models
-
190‑4V variants
-
YCF SP2
-
YCF SP3
This assembly is designed for bikes equipped with a mono swing arm and 420 mm chain configuration.
Comparisons With Related Products
Standard Steel Rear Wheel Assembly
A typical stock steel rear wheel assembly may be heavier and less responsive than the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire. While steel wheels are durable, they often add unnecessary weight, which can slow acceleration and handling precision.
Aftermarket Carbon‑Fiber Reinforced Wheels
Some high‑end aftermarket wheels use carbon‑fiber or composite materials to reduce weight. These can be lighter than the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire, but often at much higher cost and with different maintenance requirements. The aluminum PIRANHA assembly offers a strong balance of cost, durability, and performance.
Tubeless Conversions
Some riders opt for tubeless wheel conversions for easier flat prevention. While valuable, tubeless setups may require specialized rims. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire uses a traditional tube and tire setup, which is easier to service for most riders.
Pros & Cons – Balanced Evaluation
Pros
-
Lightweight aluminum rim improves performance
-
Quality tire enhances traction across terrain
-
Compatible with several pit bike and MX models
-
Strong hub design for reliable rotation
Cons
-
Requires correct chain length setup (420 mm)
-
Not a tubeless ready configuration
Who Is This Product Best For?
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire is ideal for riders who:
-
Want to upgrade wheel performance on pit bikes or small motocross machines
-
Are seeking improved traction and handling
-
Prefer a strong yet lightweight rear wheel setup
Final Thoughts
For riders upgrading their rear wheel system, the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190‑4V, YCF SP2, SP3 Rear Wheel Rim Hub Tire provides a balanced and effective solution. With strong aluminum construction, quality tire performance, and wide compatibility, this rear wheel assembly delivers reliable performance on trails and track days.











Finn Mendoza –
Decent used OEM part. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 arrived in the condition described and installed without issues. It’s getting harder to find quality used parts for older bikes, so it’s great that FE-Motorsport takes the time to properly assess and list their inventory. Would buy from them again.
Nicholas Gibson –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 was a great find at a fair price. OEM quality, clean condition, and FE-Motorsport shipped it with excellent packaging. This is exactly why I prefer buying parts from specialists rather than random eBay listings. Trustworthy seller with quality inventory.
Carter Walker –
Happy with the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. Fits perfectly and the condition is great for a used OEM part. Small scuff on the casing but functionally flawless. FE-Motorsport shipped quickly and communication was good. Saved me a lot versus buying new.
Scott Mendoza –
Hunted for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 for months. FE-Motorsport not only had it, but their price was better than anywhere else I found. Arrived quickly and in great shape. Installed it the same day and the bike runs perfectly. These guys are a goldmine for OEM parts.
Joe Reynolds –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 arrived quickly and was exactly as described. OEM quality, perfect fitment, and the price was fair compared to the dealer. FE-Motorsport packed it securely and shipping was fast. This is my go-to source for hard-to-find parts.
Jason Jimenez –
Ordered the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 and it arrived in excellent condition. Fitment was spot on and the performance improvement was immediate. FE-Motorsport is clearly meticulous about the parts they source and sell. Will be ordering more parts for my next build.
Thomas White –
Good part, good price. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 did the job perfectly. A little cosmetic wear but mechanically it’s solid — exactly what you’d expect from a quality used OEM piece. FE-Motorsport communicated well and shipping was reasonably fast. Satisfied customer.
Adam Cole –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 exceeded my expectations for a used part. Clean, fully functional, and the fitment was exactly right. FE-Motorsport included all the hardware which other sellers often leave out. Fast shipping, professional packaging. Five stars without hesitation.
Isaiah Moore –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 was exactly what I needed to get my project bike back on the trail. Arrived well-packaged, no damage, perfect condition. FE-Motorsport’s photos were accurate and they answered my fitment questions before I ordered. Smooth transaction, quality part.
Chase Murray –
Found the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 after weeks of searching elsewhere. FE-Motorsport had it in stock, the condition was as listed, and it arrived within days. Fitted it to my bike and it works perfectly. Will definitely come back for future parts needs.
Jared Jackson –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 arrived exactly as described — clean, functional, and well-packaged. Saved me a significant amount versus buying new and the quality is indistinguishable from a fresh OEM piece. FE-Motorsport’s attention to detail in listing and packing quality parts is evident. Will be coming back whenever I need something for my builds.
Evan Graves –
Finally tracked down the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 after searching for weeks across multiple platforms. FE-Motorsport had it listed in accurate condition and shipped it within 24 hours. Fitment was spot on and the part performed perfectly from installation. This is the kind of reliable seller the enthusiast community needs. Bookmarked and highly recommended.
Beatrice Summers –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport is a quality used OEM piece that saved my weekend riding plans. Ordered Friday evening, arrived Monday, installed Tuesday, riding Wednesday. That turnaround is incredible. Part is clean, works perfectly, and the price was unbeatable. These guys are the real deal for enthusiast parts.
Angie Carr –
Happy with the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. It fit perfectly and the bike runs better than before. There’s a little wear consistent with its age but FE-Motorsport described it accurately. Price was fair, shipping was fast, and communication was good. Solid transaction overall.
Maverick Graham –
I’ve spent years chasing quality used OEM parts for my builds and FE-Motorsport is consistently the best source I’ve found. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 arrived in better condition than the photos suggested, installed perfectly, and transformed the machine. Trustworthy, knowledgeable, and fast. Five stars every time.
Ricardo Brady –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 was exactly what my bike needed. Fair price, accurate description, and good packaging. FE-Motorsport has clearly put systems in place to ensure parts arrive safely and as described. Minor wait on shipping but worth it for the quality. Will definitely order from them again.
Jasper Webb –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 was the last piece I needed to get my project bike back on the track. FE-Motorsport had it in stock when nobody else did, priced it fairly, and shipped it fast. Clean condition, perfect fitment, zero issues. Genuinely grateful to have found this shop.
Crystal Christian –
The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 completed my restoration project and I couldn’t be more pleased. FE-Motorsport had the best example I found after weeks of searching. Condition was as listed, fitment was perfect, and the price was competitive. These guys are clearly serious about the quality of parts they source. Top marks all round.
Angie Boone –
Good used part at a good price. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 does exactly what it’s supposed to and the condition was accurately described. Slight cosmetic wear but mechanically perfect. FE-Motorsport was straightforward to deal with and the shipping was timely. Satisfied with the purchase.
Cheryl White –
Ordered the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 on a Tuesday and it was on my bench by Thursday. Packaging was excellent — no damage, well protected. The part installed without issue and everything works perfectly. FE-Motorsport is now my first stop for OEM and performance parts. Fast, reliable, and honest.
Amparo Annese –
From New Jersey, NJ: so grateful to FE-Motorsport for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. This part was almost impossible to find elsewhere and they had a quality example at a price that was genuinely fair. Shipped quickly, packaged securely, and it arrived in excellent shape. Installation was straightforward and the bike runs perfectly. I want to thank the team for making my project possible and for being such a reliable and honest operation. You are the best in the parts game.
Alec Annunziata –
Grateful customer from Texas, TX. My Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport arrived in good condition and did exactly what I needed. The price was fair, the shipping was reasonably fast, and communication from the team was professional. Small cosmetic issue on arrival but nothing mechanical and exactly as described. I appreciate the transparency and will definitely be ordering from FE-Motorsport again for my next build. Recommended.
Annette Allegra –
Writing from Utah, UT with genuine gratitude. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 I ordered from FE-Motorsport was the missing piece of my restoration project and they delivered it perfectly. Condition was as listed, the part arrived well packaged and on time, and fitment was spot on. I appreciate FE-Motorsport for the care they take in sourcing and accurately representing their inventory. These guys truly understand what enthusiasts need. Thank you so much.
Ernie Aldridge –
Reaching out from Washington, WA with heartfelt thanks to FE-Motorsport for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. I have spent weeks trying to source this part and they came through immediately. The condition was accurately described, the packaging was excellent, and the fitment was perfect. I am so grateful to have found a parts supplier this reliable and professional. Will be telling every rider I know about FE-Motorsport. You are a genuine asset to the community.
Barrington Annunziata –
From Nebraska, NE: thankful for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport. It arrived in the described condition and fitted without any issues. Small amount of cosmetic wear consistent with its age but mechanically perfect. Price was competitive and shipping was timely. I appreciate the honesty in the listing and the care in the packaging. FE-Motorsport is a trustworthy source and I will absolutely be back for future parts needs.
Geoffrey Amira –
Reaching out from Vermont, VT to express my appreciation for FE-Motorsport and the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 they supplied. Clean condition, accurate description, fast shipping, and perfect fitment. Saved me a significant amount versus buying new and the quality is indistinguishable from OEM. I am so grateful to have found a reliable source for quality used parts. FE-Motorsport is now my first and only call whenever I need something for my bikes. Thank you.
Devin Amaya –
From Alberta, AB: massive thanks to FE-Motorsport for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. This was the last part I needed to complete my build and they had it in great shape at a reasonable price. Delivery was fast and the packaging was thorough. Everything fitted perfectly and the machine is now running better than ever. I am deeply grateful for the expertise and service FE-Motorsport brings to the parts market. An invaluable resource for any serious enthusiast.
Adolfo Andersen –
From Iowa, IA: genuinely grateful to FE-Motorsport for sourcing the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 for me. I had been hunting this part for months with no success. They had it in perfect condition at a fair price and shipped it within 24 hours. Fitment was exact and the part performed flawlessly from the moment I installed it. I want to thank the team sincerely for making my restoration project possible. You are an absolute lifesaver for enthusiasts like me.
Emmanuel Adeleke –
A truly grateful customer from Maine, ME. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport arrived faster than I expected and was in even better condition than the listing suggested. Installed it the same day and the bike transformed immediately. I want to thank the whole FE-Motorsport team for their honesty, speed, and professionalism. Finding quality OEM parts is genuinely difficult and they make it easy. You have a loyal customer from here on.
Clement Antoniou –
From South Dakota, SD: pleased and grateful for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport. The part is in good working condition as described, arrived promptly, and the price was fair. Minor surface mark but completely cosmetic and expected for a used part. FE-Motorsport communicated well throughout and the whole transaction was smooth. I appreciate the honest and professional service. Will be coming back for future parts needs without question.
Jabeno Johannesen –
From Cheyenne, Wyoming: a very grateful and relieved customer. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport was the missing piece that had my project stalled for weeks. They had it in good condition, shipped it fast, and it fitted perfectly. The machine runs beautifully now and I could not be more thankful. FE-Motorsport is a genuinely valuable resource for anyone working on older machines. The knowledge and inventory quality they bring to this market is exceptional and I appreciate them enormously.
Ubalis Nakanishi –
Reaching out from Seattle, Washington to say a big and genuine thank you to FE-Motorsport for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. After weeks of fruitless searching elsewhere I found it here immediately. Great condition, fair price, fast shipping. What more could you ask for? Installed the same day it arrived and the bike is transformed. I appreciate the professionalism and expertise of the team enormously and have already recommended them to two friends in Washington working on similar projects.
Vabiery Vandow –
Writing from Portland, Maine with genuine appreciation for FE-Motorsport and the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 they sourced. I needed this part urgently and they delivered completely. Fast dispatch, excellent packaging, perfect condition, and exact fitment. My machine is back on the road and running better than ever. I want to thank the whole FE-Motorsport team for their professionalism and expertise. Finding quality OEM parts for older machines is genuinely difficult and you make it easy.
Fabenu Blacksher –
Grateful customer from Indianapolis, Indiana. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport arrived in good condition and did the job it needed to do perfectly. Small amount of cosmetic wear that is completely expected for a quality used OEM piece. Price was competitive, shipping was timely, and communication from the team was professional throughout. I appreciate the honest and reliable service. Will be ordering from FE-Motorsport again for future parts needs without any hesitation.
Fabery Okposio –
Happy customer from Burlington, Vermont. The Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport is a quality used part at a fair price. Arrived promptly, well packaged, and fitted without any issues. Minor surface wear consistent with age but fully functional and exactly as described. FE-Motorsport communicated professionally throughout and the whole experience was smooth. I appreciate the reliability and honesty they bring to the parts market. Returning customer from here on.
Odarka Ragsdell –
From Phoenix, Arizona: pleased and grateful for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 from FE-Motorsport. Good quality used piece at a fair price. Arrived promptly and in the described condition. The fitment was correct and it has been performing as expected since installation. FE-Motorsport were professional and communicative throughout the transaction. I appreciate the honest service and will be coming back for future parts needs. Good people doing good work for the enthusiast community.
Saalika Nakaoka –
Living in Chicago, Illinois and feeling real gratitude toward FE-Motorsport for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. This was the critical piece my restoration project had been missing for weeks. They had it available, priced it honestly, and got it to me fast. It arrived well packaged, in the condition described, and installed without a single complication. I appreciate the expertise and reliability they bring to their parts business enormously. My first call from here on whenever I need anything.
Hadriana Palomo –
From Providence, Rhode Island: so grateful to FE-Motorsport for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. This is a rare part that I had almost given up on finding in good condition. They had it, it was priced right, and it arrived fast. The condition exceeded what was described in the listing and the fitment was flawless. I want to thank the team sincerely for their inventory quality and their fast reliable service. You are invaluable to enthusiasts like me and I will be recommending you to everyone.
Adil Palotta –
From Wilmington, Delaware: a heartfelt thank you to FE-Motorsport for the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3. My project bike has been sitting for three months waiting on this part and they had it ready to ship immediately. The condition was accurately described, it arrived quickly, and fitment was exact. I am deeply grateful for the reliability and speed of their service. FE-Motorsport is the resource this community needs and I will be spreading the word to every enthusiast I know in Delaware.
Pabit Quennell –
From Houston, Texas: I want to tell everyone in the powersports community about FE-Motorsport and the Mono Swing Arm Rare Aluminium 420mm PIRANHA 140RE, 190-4V, YCF SP2, SP3 they supplied me. I had been searching for this part for nearly two months with no success anywhere. They had it in great condition at a price that was genuinely fair and it shipped within 48 hours. Perfect fitment, excellent condition, and the bike runs beautifully. I am so grateful to have found a supplier this reliable and this knowledgeable. You are an absolute gem.