Tough versions of KOM rims are made from high-grade aluminium alloy and designed for all obstacles, including your unfinished jumps in the bike park. Highly above average durability at a still reasonable weight. Durability is also supported by I-Beam technology connecting the two inner walls of the rim.proven on the toughest trails in the World Enduro Series. TCS 2.0 creates a more robust, easy-to-install and reliable tubeless system.recessed channel along the centres of the TCS 2 rims.0 allows the installation of the brand new Solid Strip, which creates the ideal surface for a tubeless tape. USAGE: Adventure Road / Gravel / Cyclocross / Cross-Country / Trail Maximum wire tension: 110-120KgF Wheel Size Inner Width *Weight Hole Count ERD Rim Size Designation 26" 40mm 551g 32 548 40-559 27.5" 23mm 428g 32 568 23-584 27.5" 25mm 440g 32 569 25-584 27.5" 29mm 488g 32 568 29-584 27.5" 35mm 558g 32 569 35-584 27.5" 40mm 575g 32 571 40-584 27.5" 45mm 631g 32 572 45-584 700c 21mm 441g 32 605 21-622 29" 23mm 458g 32 606 23-622 29" 25mm 467g 32 605 25-622 29" 29mm 517g 32 604 29-622 29" 35mm 591g 32 604 35-622 29" 40mm 614g 32 609 40-622