/yongfeng/pic/top2.swf

/yongfeng/pic/zl.swf

 

 

 
 Crank series:  [1]   [2]   [3]
     
     
YF-QB-001
Single Chainwheel with steel guard
For chain 1/2"*1/8" Chain Avaiable in 44/48T
Crank size：5.1/2"，6"，6.1/2"
Finish：BCP or Black Powder Coated
YF-QB-002
Single Chainwheel with steel guard
For chain 1/2"*1/8" Chain Avaiable in 44/46/48T
Crank size：6.1/2"，6.3/4"
Finish：BCP or Black Powder Coated
YF-QB-003
Single Chainwheel with steel guard
For chain 1/2"*1/8" Chain Avaiable in 28/32/36T
Crank size：4"，5"，5.1/2"
Finish：BCP or Black Powder Coated
     
     
YF-QB-004
Single Chainwheel with steel guard
For chain 1/2"*1/8" Chain Avaiable in 28/32/36T
Crank size：4"，5"，5.1/2"
Finish：BCP or Black Powder Coated
YF-QB-005
Triple Chainwheel Non-index or index
For chain 1/2"*3/32" Avaiable in 28 /38 /48 &24 /34 /42 T
Crank size：170mm
Finish：ED finish
YF-QB-006
Triple Chainwheel Non-index or index
For chain 1/2"*3/32" Avaiable in40/48 or 42/52 T
Crank size：170mm
Finish：cp finish
/yongfeng/pic/index2.swf

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