PRODUCTS
specializing in the production of bicycle cranks, chain links, cassette underframe and other accessories.
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JTC-716K-4A(JTC-719K-4A)

Shenzhen Jiankun Sporting Goods Co., Ltd. was established in 2012, specializing in the production of bicycle cranks, chain rings, pulley systems, electric assist systems, flywheels and other accessories.

Category:

CRANKSET FOR KID


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PRODUCTS DETAIL

Crank
89/105/115/120/127mm(Fprged Al6061-T6)
Sprocket
28T,30T,32T,34T(Al7075-T6 CNC)
Axis
BB24 Forged Al7075-T6
Chain line
716K 44mm(6mm offset)
719K 47mm(3mm offset) Boost
BCD
41mm
Variable speed
1x12s/1x11s
Q value
159mm

 

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