ITS TIME TO GO TUBELESS! Lighter, stronger and built for your most challenging off-road adventures Innovative technologies boost control and confidence on the trail ISM 4D machining makes the wheel lighter without compromising strength25mm wide (internal) rim ITS-4 freehub system for quick pedal engagement Proven strength and durability for off-road adventures 24 bladed straight-pull and double-butted spokes on front and rear Tubeless tape provides the lightest and simplest way to get tubeless benefits including better traction, comfort and reduced risk of punctures Rims Use with Mavic Tubeless Tape Internal width: 25 mm ETRTO size 29": 622x25TSS ETRTO size 27.5": 584x25TSS Weight reduction: ISM 4D Drilling: traditional Valve hole diameter: 6.5 mm Tyre: UST Tubeless and tubetype Joint: SUP Material: Maxtal Spokes Shape: straight pull, flat, double butted Material: steel Lacing: front and rear crossed 2 Count: 24 front and rear Hubs Freewheel: ITS-4 alloy Front and rear bodies: aluminum Axle material: aluminum Sealed cartridge bearings (QRM) Versions Color: Black or Black/Blue or Black/Green Lefty Supermax Hub width : Boost (front 110, rear 148) or Non-Boost (front 100, rear 135/142) Disc standard : 6 Bolts only Compatibility Rear axle: 12mm thru axle, convertible to Quick Release with included adapters Freewheel: Shimano/Sram or XD Front axle: convertible from 15mm thru axle to Quick Release with included adapters DELIVERED WITH Rear 12x142mm adapters Tubeless rim tape Front QR adapters Rear QR adapters for ITS4 and TS2 UST valve and accessories BR601 quick releases Intended Use Recommended tyre sizes: 46mm to 64mm (1.8" to 2.5") For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels don't exceed 120kg, bike included ASTM CATEGORY 3 : CROSS COUNTRY AND TRAIL RIDING Weight Pair 650b/27,5" without tyre: 1695 grams Front 650b/27,5" without tyre: 780 grams Rear 650b/27,5" without tyre: 915 grams Pair 29" without tyre: 1770 grams Front 29" without tyre: 815 grams Rear 29" without tyre: 955 grams