Screws Elevn BTR 8.5 x 4 mm (x5)

Description

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