The HURI 2sets Rear Brake Adjuster Nut Spring Kit is a must-have accessory for any mountain bike, especially those with FORMAN TRX400FW, TRX450FE, TRX450FM, TRX500F, TRX500FM Rubicon 500 TRX500FPA 4x4. This kit includes two rear brake adjuster nuts and two spring sets, ensuring precise and reliable adjustments. Made of durable material, the kit is designed to withstand even the most intense MTB rides, providing you with confidence and control on every downhill turn. With its efficient design and high-quality components, the HURI 2sets Rear Brake Adjuster Nut Spring Kit is perfect for upgrading your bike's braking system and enhancing its overall performance, safety, and ride experience.