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　Name： 　CHAINWHEEL & CRANK-TC107
　MODEL NO.： 　TC107
　PACKING： 　
　SPECIFICATION： 　Material: steel and alloy
Crank length: 170mm
Chainwheel: 28/38/48T
B.B axle: cotterpin or cotterless
Inner: alloy CNC
Center: steel
Outer: steel
Silver or colour crank
   
   

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