TA 4 Arm Middle 104 40T
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The Chinook 104 range was changed to cater for far reaching technical gear system developments. The new generation middle rings have two pairs of shortened teeth to assist down-shifting.
- PCD : 58/104mm.
- Compatible 8/9 speed
- middle : 32, 34, 36, 38, 40, 42T
- Colours : Silver or black.
- Material : AL 7075 T6


