that doesn't really answer much. Allein - Super Light cross-country 26" Wheelset Alloy welded Rim with Eyelet for maximum strength 2 Bearing front hub and 4 Bearing rear hub system Triple butted Swedish Stainless steel Aero black spoke, Alloy Nipple T73 material. Front - 28 H , 3cross , Rear 32 H 3 cross. White Powder coating or shot blast black for added durability as an option Front Hub now comes with the hardware included for a 15mm Axel conversion. Heavy Duty MTB Quick Release (QR) Skewers and Rim Tape are included. Tested with various tubeless conversions. Weight F: 742g / R: 858g