RR 521 Unexpected rough patch on your route? No problem with this rim! Looking for bombproof rims for your gravel or cyclocross bike? Our new RR 521 rim has plenty going for it. With its 32 mm depth and 20 mm width, it would certainly have been classed as cross-country a few years ago. But here and now, this model is a fantastic opportunity to widen the playground of your road bike.
