170mm Mountain Bike Crank with BB 104BCD 34T 36T 38T Bicycle Chainring Crankset
34T chain ring about 52g. 38T chain ring about 70g. 36T chain ring about 55g. Length: 170mm. The set includes: left and right cranks + chain rings + fixing screws (4 Pcs) +BB(68/73mm)+ gifts (1 pair of crank silicone protective sleeves in red).