Specifications:Rims: - Super alloy DYNAM for minimal weight with superior stiffness.- 3M Reflective Logo O.- ERD: 592mmProfile: - External width: 40mm- Internal width: 35mmHubs: - Nitro MTB Alloy 7075 Machined PAL-Tech with high precision steel bearings.- IS6 Disc Brake.- Spokes: SAPIM Race Straight Pull spoke F28/R28, 14mm alloy nipples secure lock and Hand Built.- Built-in Axles: Regular 15x100 / 12x142, BOOST 15x110 / 12x148Weight: - 27.5´´ Set 1.760g- 29´´ Set: 1.850g- +110g Hybrid E-bike kitLimits: - Recomended rider weight limit: 120 kgs- Recomended tyre sizes: 2.40´´ to 3.40´´Options: - Shimano HG/Sram Cassette freehub- SRAM XD Cassette freehub extra strong with 3 bearings- Shimano MICROSPLINE Cassette freehub extra strong with 3 bearings- QR Adapters 9x100 / 9x135mm axle and adaptors- Front Thru Axle 12x100 adaptors- Rear Thru Axle 12x150 adaptors- Hybrid kit for E-bike, steel freehub and axle- NITRO CERAMIC Low friction bearings