* Specifically for tubeless disc rims with ABLC dimples that stretch to the outer edge of the rim* Decreased strength compared to the old 303 when used with 25C tires or wider* The inside of the rim contains grooves to lock the tire in place and ensure safe performance at lower tire pressures* Versatile 77/177D hubs come with interchangeable hubs to work with QR and Thru-Axle (including front Thru-Axle 12x100mm and 15x100mm and 12x135mm and 12x142mm rear Thru-Axles)*Compatible with XDR cassette bodies for use with SRAM 10-42 cassettes* Includes: Tubeless valve extension, valve core wrench, rim tape (factory fitted), Quick-Realease stem and Thru-Axle tips* Total weight: 1645g* Front weight: 760g* Rear weight: 885g* Wheel depth: 45mm* Maximum width: 29.9mm* Sapim® CX-Ray spokes ®* 77/177D hub