Sun Ringle Duroc 40 MTB RimSun Ringle's Duroc range features welded aluminium rims to ensure your bike has the strength and durability to handle anything the trail throws at them. Lightweight and tubeless ready, with a wide 40mm rim, this rim is perfect for mountain bikers looking for an advantage against rolling resistance uphill with sturdiness for added control on the downhill.Features: Use: Plus Spoke Count: 28, 32 Rim Material: Aluminium Rim Joint: Welded Rim Width: 40mm outer, 36mm inner Brake Compatibility: Disc Only Weight: 515g (front); 550g (rear) Tubeless ReadyBuy Sun Ringle Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.