Middleburn Chainring MiddleViews:
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|Miscellaneous||Middleburn Chainring Middle Slick-Shift Hardcoat XT. Chainrings - MTB. Slick-Shift Ring Middle Hardcoat Hollowtech II These Specially designed replacement chainrings, have a special ceramic/PTFE coating applied to the rings in place of the regular anodised finish. This has two benefits - 10 times less friction .... .|