E*thirteen e*spec Aluminum C-ring Bosch CX Gen 4 34t Black

e*thirteen e*spec Aluminum Direct Mount Chainring 34t for Bosch CX Gen4 Black. e*spec Direct Mount Chainrings use e*thirteens M3 narrow-wide tooth profile which reduces weight without sacrificing chain-retention. These lightweight and well-designed chainrings are adapted to work with Bosch Gen4 eBike motor configurations.

The M3 dual width tooth profile eliminates chain noise and decreases overall system wear

53mm Boost chainline

7050 Aluminum