25mm Cartridge Kit for '25+ Yamaha R9 & R1 Pit Bull Retainer Your stock 02 sensor a

Your stock 02 sensor a can be used by purchasing a separate reducing collar

Kangaroo palm construction with stretch insert for additional abrasion resistance in a key zone

1988 - ZX1000 Ninja ZX-10

Machined out of 6061 alloy using a 3D tool path

25mm Cartridge Kit for '25+ Yamaha R9 & R1 Pit Bull Retainer Your stock 02 sensor aOur 25mm Kit is fully adjustable with preload, compression & rebound. Price includes a set of springs. Kits are made to order & ship within 2 weeks from purchase date. Preload knob color options are red, black & blue. Please specify in the comment box at check out what color you'd like. If not specified the knob will come black. Please specify what weight springs you'd like in the comment box at checkout. If you don't know what weight, email us for