12/14 Teeth SRAM EX1 jockey wheels and cage

SRAM EX1 12/14 teeth jockey wheels and internal cage. Narrow-wide teeth and steel sealed bearings for better shifting precission. 2 jockey wheels, caps and internal cage included.

- 12/14 : upper 12 teeth and lower 14 teeth.

When used on a regular basis jockey wheels will start to show wear and work less efficiently. Cyclists who spend a lot of time on the bike are recommended to replace the wheels once a year. With new wheels the bicycle chain runs smoother and quieter and you will be able to shift gear more precisely.