The ACC rim construction combines lightweight aluminium and resilient carbon fibre. Stacked lacing alignment provides a better spoke bracing angle for a stiffer wheel. Tubeless Ready (TLR) rims allow for quick transition to a tubeless system. Aluminium with carbon rim construction (23mm outer, 17.5mm inner width). Compatible with Shimano 10/11 speed, SRAM 10/11, Campagnolo. Includes a Bontrager TLR rim strip, TLR valve stem and internal cam quick release. No rider weight restrictions.