Pulleys direct mount 1x narrow-wide for SRAM 11/12sp MTB AERO
Specifications
Intended to use:
Nut:
Bolt:
- (M8x0,75) thread length of 6,5mm
Material:
Made:
Surface coating:
Compatibility
For chainrings 1-speed
5-arms cranks
Mfr Claimed Weight
nut - 4g; bolt - 3g