Controltech MTB Chainring SetViews:
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|Miscellaneous||Controltech MTB Chainring Set. Chainrings - MTB. Hard 7075 T6 alloy shows good wear, while a 94mm bolt circle diameter will fit any mountain bike compact double crank. Shifting is smooth and precise thanks to steel pins, machined ramps and profiled teeth. Its hard to criticise a component tha .... .|