e*thirteen e*spec Aluminum Direct Mount Chainring 38t for Brose S Mag Black MPFN-E05000000A01SPK Aerodynamic integrated Cable Routing (ACR)

Aerodynamic integrated Cable Routing (ACR) compatible

Professional-grade tool steel wrenches feature superior anti-corrosion finish for unmatched lasting performance

3 ISO Width (mm) 58 Flat Protection Sidewall ISO Diameter 584 / 650b / 27

7 MTN Stem - 50mm 35

e*thirteen e*spec Aluminum Direct Mount Chainring 38t for Brose S Mag Black MPFN-E05000000A01SPK Aerodynamic integrated Cable Routing (ACR)e*thirteen e*spec Aluminum Direct Mount Chainring 38t for Brose S Mag Black. 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 TECH