Specifications

1.Chain teeth: 24T/34T/36T/38T/40/44T/46T/48T
2.Crank: 114/127/152/170mm

3.Finish: ED or CP or UCP

4.MEAS  46*28*21CM

5.N.W/G.W  30/31 KGS

6. Our crank have two styles: The round cotter crank and the cotterless crank.

7. the length of the cotter crank is 89 mm, 102 mm, 114 mm, 127mm (children bicycle),140mm(22#bicycle),152mm(24#bicycle),165mm(26#bicycle),170mm,175mm(28#bicycle). cotterless crank without 170mm, 175mm.

8. B.B.AXLE hole is 16mm.

16mm

9. pin-hole is 0.95cm

10.petal spindle is 14*1.25mm

11.Crankset of cotter crank has 24T, 26T, 28T, 32T, 36T, 40T, 44T, 46T, 48T, 52T.

12.shape of crank:winding

12. .Material: steel