If there is any Quality problem,pls contact me before leaving feedback,I will solve the problem for U
Narrow Wide Chainring so it's for Single ChainRing setup only,
Won't work with Front Derailleur
Warranty and Return policy:
1 year warranty for the axles and lever
Made of
7075
Aluminum Alloy
T651
heat treatment,
Hard Coating Anodized
CNC Machined and Polished surface
Narrow Wide tooth profiling ensures ultimate chain retention
4mm Arm thickness
make super stiffness and I-beam construction transfer loads without flexing
Been tested on my own bike for 2 months and they can offer good performance
Compatible for 9, 10 and 11,12 speed.
38,40,42,44,46,48,50,52&54T Teeth
,5 bolts
69g
for 42 Teeth Version
Bolt Centre Diameter:
130mm, pls make sure that will fit your crank arm
Fit with most Road/CX/Track Crankarm:
SRAM,Raceface,FSA,Rotor&Praxis but the BCD must be 130mm