[VIP The 2 year ] Index:4
Through Authenticate 
W2T is the highest specification of MTB duo-oval ring; it has the best reaction, and most properly to pedaling dynamics.
Spec.:
MS-GN606R-W+ BCD 120/80 42/28T N.W.: 125g
MS-GN607R-W+ BCD 120/80 40/28T N.W.: 115g
MS-GN605R-W+ BCD 120/80 38/26T N.W.: 105g
