Wheel Parts

Vortex Rear Sprocket 35 Tooth Black & Silver 420 Chain Grom/MSX125 (14-20) / Monkey (2019)

Improves performance by reducing the drive system's rotating mass Lightweight 7075 T6 aerospace aluminum Black and silver finish Precision CNC machined individually for tightest tolerances Ideal tooth design for perfected chain hold and release This...

Vortex Rear Sprocket 34 Tooth Black & Silver 420 Chain Grom/MSX125 (14-20) / Monkey (2019)

Improves performance by reducing the drive system's rotating mass Lightweight 7075 T6 aerospace aluminum Black and silver finish Precision CNC machined individually for tightest tolerances Ideal tooth design for perfected chain hold and release This...

Vortex Rear Sprocket 33 Tooth Black & Silver 420 Chain Grom/MSX125 (14-20) / Monkey (2019)

Improves performance by reducing the drive system's rotating mass Lightweight 7075 T6 aerospace aluminum Black and silver finish Precision CNC machined individually for tightest tolerances Ideal tooth design for perfected chain hold and release This...

Replacement Polyurethane Cush Drive Hayabusa (08-20) / B-King (08-12) / GSX-R1000 (05-08)

Polyurethane compound Improves performance Great durability Holds its shape over time Helps reduce reaction time Shore 88 hardness Click here to view Installation Information Heavy Duty Replacement Cush Drive Set Provides improved performance, greater...

Ceramic Wheel Bearing CB-6301-2RS Grom / Monkey (OEM and BST Wheels)

Quicker elapsed times and higher MPH’s ID 12mm x OD 37mm x Width 12mm Ceramic bearings offer 40% less friction than steel Less friction = More horsepower 60% less rotating weight Low tension, maintenance free dust seals Mobil® Polyrex®...

Needle Bearing Upgrade for Kawasaki H2 SX / SX SE / SX SE+ (18-26)

On August 2, 2021, Kawasaki Motors Corporation, U.S.A. announced a recall on certain 2018 through 2021 Ninja H2 SX, Ninja H2 SX SE, and Ninja H2 SX SE+ bikes. The reason for the recall is an insufficient amount of grease applied to needle bearings in the...

Steel Wheel Bearing 6304-TR-A for Indian ABS Applications (3515131)

Direct replacement for Polaris OEM part number: 3515131 (6304-TR-A) Equipped with encoder for ABS applications ID 20mm x OD 52mm x Width 15mm Light contact seals Chevron SRI-2 grease C3 internal clearance High Speed 1pc Nylon cage Radial ball bearings 2...

Ceramic Wheel Bearing CB-6203-2RS Grom / Monkey Carrier Bearing

Quicker elapsed times and higher MPH’s ID 17mm x OD 40mm x Width 12mm Ceramic bearings offer 40% less friction than steel Less friction = More horsepower 60% less rotating weight Low tension, maintenance free dust seals Mobil® Polyrex®...

Extra Heavy Duty Green Replacement Springs Suzuki Hayabusa (99-20)

Built for serious drag racers and land-speed competitors, Brock’s Extra Heavy Duty Green Springs are designed to deliver maximum clamping force and durability in demanding clutch applications. These springs are a direct replacement for the Hayabusa...

Clutch Cushion Kit Replacement Springs Suzuki Hayabusa (99-20)

Restore and upgrade your Hayabusa’s clutch performance with Brock’s Clutch Cushion Replacement Spring Kit. Designed as a direct replacement for stock springs and Ultra Mod spacers, this kit increases spring pressure for stronger clamping...

Heavy Duty Clutch Spring Kit Suzuki Hayabusa (99-07)

Upgrade your Hayabusa’s clutch with Brock’s Heavy Duty Clutch Spring Kit—built to handle the punishment of high-power drag-style launches. Manufactured from valve-spring quality steel, each spring is shot-peened and stress-relieved to...

Brake Caliper Delete Spacer Set Hayabusa (08-12), GSX-R1000/R (17-25), Katana (2020), GSX-R1000 (05-08), GSX-R600/750 (06-09), YZF-R1 (09-24), and H2 SX/SE/SE+ (18-26)

Save approximately 6 lb. by removing a front caliper & rotor Removing a front caliper & rotor will show off your front wheel Retains radial mount strap bracket alignment for proper control Uses the OEM caliper mounting bolts (or the replacement...