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
- 174g
Manufacturer e*thirteen
Manufacturer Part Number CR4UPA-105
UPC 4710751506763
Model e*thirteen e*spec Aluminum Brose S Mag Chainring
Tooth Count
38
Material
Aluminum
Color
Black
Designed for ebike
Yes
Defined Color
Black

