Mavic en427 disc mtb rimthe mavic en427 is a tough and dynamic rim that is exceptional value for money it is built to take all the abuse of modern trail riding and its both extremely strong and lightweight features material6061 aluminium alloy jointsleeved drilling traditional ust tubeless ready disc brake specific profile valve hole diameter 65mm etrto size 584x27tss 27 5 622x27tss 29 recommended tyre sizes 18 to 30 tubeless tape width 28mm recommended nipple length 14m