E*Thirteen Steel DM Chainring Bosch CX Gen4 Black 36T Holdall fast rolling and ultra-tough replaceable

fast rolling and ultra-tough replaceable skateboard-style wheels

Vacuum sealed

semi-cartridge bearings   Brakeset Mechanical disc 160mm Rotor Front & Rear

no work will be carried out without approval

allow you to choose the type of light to your needs

E*Thirteen Steel DM Chainring Bosch CX Gen4 Black 36T Holdall fast rolling and ultra-tough replaceablee*spec chainrings use our new M3 narrow wide tooth profile, which reduces weight without sacrificing chain retention. In making our SL chainrings lighter and more beautiful than their predecessors. Features Capacity: 11 and 12 Speed Drivetrain Systems Chain retention: Updated M3 narrow wide tooth profile eliminates chain noise, and decreases overall system wear. Chainline: 52mm or 53mm (Boost chainline) Chainring: M3 narrow wide tooth profile