Drive system
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Bicycle parts
One piece crank CW15303 BIKE
Material:Steel Length:3 1/2″ ,4″,4 1/2″,5″,5 1/2″,6″.6 1/2″. -
Bicycle parts
Bottom brackets bb BB23225 BIKE
Material:Forged alloy & cnc machined external cups, plastic center sleeve Size:24mm spindle od. Threads:BC1.37″x24T ,R/L For 68mm&73mm width -
Bicycle parts
Bottom brackets bb BB23223 BIKE
Material:Forged alloy & cnc machined press fit cups, plastic center sleeve Size:24mm spindle od,press fit cups 41mm. For 68mm&73mm width -
Bicycle parts
Bottom brackets bb BB23217 BIKE
10B21 Spindle,dust seal & pre-lubed cartridge, steel cups,plastic body Threads:BC1.37″x24T ,R/L For 68mm&73mm width -
Bicycle parts
Bottom brackets bb BB23216 BIKE
10B21 Spindle&steel cups,steel body,sealed bearing 2pcs . Threads:BC1.37″x24T ,R/L For 68mm&73mm width
