e*spec Direct Mount Chainrings use e*thirteen's M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. These lightweight and well-designed chainrings are adapted to work with Brose S Mag eBike motor configurations.
- The M3 dual width tooth profile eliminates chain noise, and decreases overall system wear
- 53mm Boost chainline
- 7050 Aluminum
- 148g
Description
e*spec Direct Mount Chainrings use e*thirteen's M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. These lightweight and well-designed chainrings are adapted to work with Brose S Mag eBike motor configurations.
- The M3 dual width tooth profile eliminates chain noise, and decreases overall system wear
- 53mm Boost chainline
- 7050 Aluminum
- 148g