e*thirteen Helix Race e*spec Chainring, 36T, Bosch Gen4 Direct Mount, 13mm Offset, Shimano/SRAM 11/12s Compatible, super-alloy-racing 5mm for wide cranks)

5mm for wide cranks)

The GS1 Evo redefines what ergonomic comfort can be for bikepacking

34 Float NA2 Evol (Performance

Dynamal alloy used in the extrusion has high tensile strength and yield without affecting fatigue life

36 NA: Upgrade low friction air piston assembly & upgrade topout spacer ring

e*thirteen Helix Race e*spec Chainring, 36T, Bosch Gen4 Direct Mount, 13mm Offset, Shimano/SRAM 11/12s Compatible, super-alloy-racing 5mm for wide cranks)Helix Core e*spec Direct Mount Chainrings feature a narrow wide tooth profile, for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold formed from steel and then heat treated to provide excellent durability and toughness, all at a price that's easy on your wallet. e*thirteen Helix E*Spec Direct Mount Chainring eBike Chainrings and Sprockets EAN: 4710751509672