Middleburn Chainring InnerViews:
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|Miscellaneous||Middleburn Chainring Inner. Chainrings - MTB. Middleburn chainrings are CNC machined from 7075 T6 aluminium plate and available in a wide range of formats, sizes and colours, including 4 or 5 bolt pattern chainsets. Computer generated tooth profiles optimise power transfer and prolong drive .... .|