Sun Ringle Helix TR27 SL MTB RimDesigned to be the "all-duty" rim, the Sun Ringle Helix TR27 offers unparalleled value and quality performance. It uses a sleeved alloy material that keeps it lightweight, while a width of 27mm means better traction and uphill power. Durable and aerodynamic, this rim is an ideal choice for those looking to start their trail or all-mountain careers.Features:  Use: Trail, AM  Spoke Count: 28, 32  Rim Material: Aluminium  Rim Joint: Sleeved  Rim Width: 27mm outer, 23mm inner  Brake Compatibility: Disc Only  Weight: 465g (front); 494g (rear)  Tubeless ReadyBuy Sun Ringle Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.