RR 481 Heavy loads and rough terrain: this rim can take it all! Looking for the ideal rim to venture off the tarmac? The RR 481 is made for you. With a 22 mm internal width and a load capacity of up to 130 kg (rider + bike), this extremely stable rim is built to withstand the harshest treatment. Whether you're into cyclocross, gravel riding or trekking out in the wilds, the RR 481 won't let you down.