Spyder Fizix Road Bike Helmet with MagLock Ultra-Lightweight - Gray/Silver Size:L/XL (58-62cm) MagLock 5 ✔ Crank arm length

5 ✔ Crank arm length (mm)|175 ✔ Optional chain guard|Without chain/bash guard ✔ HOLLOWTECH II ✔ HOLLOWTECH crank arm ✔ Compatible bottom bracket type|Outboard ✔ Recommended bottom bracket|Threaded (normal) SM-BBR60 Recommended bottom bracket|Press-Fit SM-BB72 Threaded bottom bracket shell width (mm)|68 ✔ Threaded bottom bracket shell width (mm)|70 ✔ Crank fixing screw included ✔

Through CFD (Computational Fluid Dynamics) and wind-tunnel data

SHIMANO - CENTER LOCK - Disc Brake Rotor - 220/203/180/160/140 mm

Teeth: 28-38t options

Spyder Fizix Road Bike Helmet with MagLock Ultra-Lightweight - Gray/Silver Size:L/XL (58-62cm) MagLock 5 ✔ Crank arm lengthFizix