1.size:12" 14"16"18"20'
2.can be made as your order
3.export to many countiries

4.crank steel:165mm/170mm

5.material:ED /DP

6.chainwheel:24T/28T/32T/38T/48T

7.measures:44*25*24cm

8.quatity:10pairs/carton

9.G.W:16kg  N.W:15kg