Mavic crossmax sls mtb wheelsetspecifically developed for the rigours of cross country xc, this wheelset offers fantastic speed, smoothness and precision. It features a robust aluminium rim construction that's designed to handle the demands of cross country racing. Coming equipped with straight pull double butted steel spokes and fore integrated aluminium nipples, this model is also engineered to be quick and help you save energy. Mavic has equipped it with some of its finest technologies available, so you can benefit from increased traction, durability as well as a user friendly tubeless system.cross country wheelset with ism4d millingdeveloped with a specific rim profile that combines a 25mm internal width and mavic's patented ism4d technology, this wheelset can boost the performance of your bike with a price that's accessible compared to carbon wheel options. The ism4d process machines the rim in the areas with less stress to reduce weight without compromising strength. The rim also features mavic's black shield technology, which protects against scratches and dents, so you can charge hard through rock gardens and rough singletrack.tapeless, tubeless technologythis wheelset's rims are made with mavic's patented fore technology that uses a fully sealed upper rim bridge to eliminate the need for rim tape. This saves 30 grams per wheel, not to mention the hassles associated with tape when setting up tubeless tyres. Its infinity hub is lighter and features a revised spoke lacing to increase stiffness and deliver more power transfer, while the instant drive 360 freewheel with a double ratchet provides fast engagement. It's compatible with a 15x110 front axle and 12x148 rear and comes with valves, replacement spokes and accessories. This makes the mavic crossmax sls mtb wheelset the perfect choice of upgrade for cross country riders who want dependable performance, wherever the next ride takes them.features rim material s6000 aluminium, hookless profile, asymmetrical rim design finish black shield treatment protects against impacts and scratches spoke material steel use cross country, mtb internal rim width 25mm etrto 622x25tss tubeless ready yes, ust tubeless technology brake type disc brake specific profile tyre compatibility ust tubeless and tube type recommended tyre sizes 50mm to 76mm 2.0 to 3.0 rim technologies sup welding technology and fore tapeless tubeless technology front axle 15x110 boost thru axle rear axle 12x148 boost thru axle freewheel multiple options available to select from the drop down menu hub technologies infinity hubs, instant drive 360 freewheel technology spoke count front and rear 24 spoke lacing front and rear crossed 2, contactless spoke shape straight pull, flat, double butted spoke nipples fore integrated aluminium astm category 3 cross country included fore adjustment wrench, 2x replacement spokes with each wheel, multi function adjustment wrench delivered with rear wheel, ust valve and accessories max rider weight 120kg including bike weight pair 1595g front 735g rear 860gmanufacturer's part numberslp1612100 black 29 shimano crossmax sls 29 pr bst lp1613100 black 29 sram xd crossmax sls 29 pr bst xd buy mavic wheels tyres from chain reaction cycles, the world's largest online bike store.