Shimano SM-BB91 Press Fit colour-bolt then automatic re-arming

then automatic re-arming

while still offering a solid effective edge for grass and loam terrain

25 Presta Valve Tube

Limited Lifetime Warranty: Serfas stand behind their products and are committed to providing the high quality all of our customers deserve which is why Serfas® warrants to the original purchaser of a saddle that the product is free from defects in materials and workmanship for the lifetime of the product

- Stable and grippy shoulder blocks for high support in off-camber sections and turns

Shimano SM-BB91 Press Fit colour-bolt then automatic re-armingSHIMANO Bottom Bracket XTR BB91 Press Fit (ISMBB9142A) External sealed bearing Press Fit