Date: 2015-05-15     Play: 951    Comment: 0    
* BCD 130mm or 110mm
* Material: AL7075
* Option: 53T x 39T/50T x 34T

The special crankset with 1 oval chainring + 1 round chainring which can meet the needs for both speed seeking and uphill road riding. With the increasing of the ellipticity and the smooth performance of speed change, it can absolutely bring you the satisfying experience. 
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