Bike Parts

Fits The Following Bikes: Kawasaki KX125/250 1992-2007 Suzuki RM125/250 1995-2008 Yamaha YZ125/250 1996-2023 Throttle Tube Description: Pro Circuit throttle tubes are CNC-machined out of aluminum, and are Teflon coated on the inside to reduce friction which gives you a smoother twist of the throttle.

Fits The Following Bikes: Yamaha YZ250F 2019-2023 Yamaha YZ450F 2018-2021 Yamaha YZ450X 2019-2021 Shift Lever Description: Built to meet the rigorous demands of motocross, the Pro Circuit shift lever is CNC-machined from aircraft quality billet aluminum for strength, hard anodized for durability and comes with...

Fits The Following Bikes: KTM 250 SX-F 2019-2022 Husqvarna FC 250 2019-2022 GasGas MC 250F 2021-2022 Exhaust Description:  The T-6 Stainless Slip-On Silencer is designed for a rider looking for an inexpensive, easy-to-install, durable performance silencer that can bolt onto their stock head pipe. This...

CNC’d and formed from aircraft grade 5052 aluminum Covers and protects the rear brake master cylinder Provides increased surface area for improved grip and control Made in the USA

Fits The Following Bikes: Kawasaki KXF250X '21-'23 Kawasaki KXF450X '21-'23 Kawasaki KXF450SR 2023 Kawasaki KXF250 '21-'23 Kawasaki KXF450 '19-'23 Linkage Description: The new Pro Circuit linkage system for the KX250 and KX450 brings the bike's handling performance to an entirely new level. The stock OEM linkage system for these...

Fits The Following Bikes: Honda CR125R 1993-1997 Silencer Description: The R-304 silencer was developed as a full-race two-stroke silencer. The compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure...

Fits The Following Bikes: KTM 65 SX 2016-2023 Husqvarna TC 65 2017-2023 GasGas MC 65 2021-2023 Pipe Description: The Platinum Pipe offers the same performance gains as the popular Works Pipe, but utilizes a platinum plating on the body to protect it from everyday...

Fits The Following Bikes: Kawasaki KX125 2004-2005 Pipe Description: The Platinum Pipe offers the same performance gains as the popular Works Pipe, but utilizes a platinum plating on the body to protect it from everyday elements. Precision in design and engineering makes even the...

Fits The Following Bikes: Honda CRF450R 2021 Clutch Springs Description: Pro Circuit Clutch Springs will increase the clutch life, prevent clutch slipping, and has improved engagement over a stock setup for any rider. These high performance springs will help to keep engine temperature down....

Fits The Following Bikes: Kawasaki KX250F 2013-2018 Kawasaki KX450F 2013-2018 Yamaha YZ125 2008-2013 Yamaha YZ250 2008-2013 Yamaha YZ250F 2007-2013 Yamaha YZ450F 2008-2013 Forged Brake Lever Description: Pro Circuit Brake Levers are made by Sunline and forged from 6061-T6 aluminum for strength and durability. This...

Hinson Clutches are championship proven by almost every major factory team and rider in the world, including Jett Lawrence, Ken Roczen, Cooper Webb, Tim Gajser, Jeffrey Herlings, Jeremy Seewer, Chase Sexton, & Joey Savatgy. Improves clutch performance and life Improves heat dissipation Precision machined...

Leverage ratio designed to match the specific brand of bike Three sealed bearing pivot assures buttery smooth lever action ""Shorty"" lever design with machined logo CNC'd Aerospace grade 6061 T-6 billet construction Available in Black anodized or Silver finish Made in the USA 

Leverage ratio designed to match the specific brand of bike Three sealed bearing pivot assures buttery smooth lever action "Shorty" lever design with machined logo CNC'd Aerospace grade 6061 T-6 billet construction Available in Black anodized or Silver finish Made in the USA

Leverage ratio designed to match the specific brand of bike Three sealed bearing pivot assures buttery smooth lever action "Shorty" lever design with machined logo CNC'd Aerospace grade 6061 T-6 billet construction Available in Black anodized or Silver finish Made in the USA 

"Factory" On-the-fly adjuster with machined grooves Two ball/spring detent system Hard anodized adjuster stud CNC'd Aerospace grade 6061 T-6 billet construction Available in Blue, Red, Black or Green anodized finish Made in the USA  

Durable CNC'd Aerospace grade 6061 T-6 billet construction Chrome finish bolts Nylon sleeve allows the perch to rotate under impact Adjustable lever reach feature Heavy-duty lever cover with embossed logo Optional Thumb operated Hot Start Available in Blue, Red, Black or Green anodized finish...

Durable CNC'd Aerospace grade 6061 T-6 billet construction Chrome finish bolts Nylon sleeve allows the perch to rotate under impact Adjustable lever reach feature Heavy-duty lever cover with embossed logo Optional Thumb operated Hot Start Available in Blue, Red, Black or Green anodized finish...

Durable CNC'd Aerospace grade 6061 T-6 billet construction Chrome finish bolts Nylon sleeve allows the perch to rotate under impact Adjustable lever reach feature Heavy-duty lever cover with embossed logo Optional Thumb operated Hot Start Available in Blue, Red, Black or Green anodized finish...

CNC’d and formed from aircraft grade 5052 aluminum Available in raw Silver, or Black satin powder coating Reinforces radiators to help prevent costly radiator replacement CNC’d billet bracket system incorporates rubber vibration isolators Lightweight, custom fit, tuck in cleanly behind radiator shrouds Simple bolt-on...

CNC’d and formed from aircraft grade 5052 aluminum Available in raw Silver or Black satin powder coating Reinforces radiators to help prevent costly radiator replacement CNC’d billet bracket system incorporates rubber vibration isolators Lightweight, custom fit, tuck in cleanly behind radiator shrouds Simple bolt-on...