Wheel Factory DT EX511 29" DT 370 15x110 ISWheel Factory hand built versatile wheels DT Swiss EX 511 rims have been designed to need the demands of modern Enduro racing at the World Cup level 30mm internal width is ideal for tires between 2. 3 inch 2. 8 inch These 21mm deep, tubeless ready, disc specific rims are bombproof and offer superior performance and reliability in Trail, Enduro, and DH use DT Swiss patented Pro Head Reinforcement System (PHR System) is designed to balance the load