Description
Pack 5 screws Elevn BTR 8.5 x 4 mm
The ELEVN aluminium chainring bolt kit allows a better adjustment according to the thickness of the sprocket or the bottom bracket star. It has a BTR lock nut for easier tightening.
FEATURES:
- Aluminium chainring screw
- Size: M8.5x4mm
- Double BTR tightening
- Suitable for 5mm thick crowns (BCD 104mm)
- Weight : 8g
- Sold by 5