Rolf prima road rimrolf primas road rim is superbly versatile whether you want to build a custom set of climbing wheels or a simple lightweight super strong wheelset this alloy all rounder will become a top performer this aluminium rolf prima road rim weighs 420 grams and features the rim dimensions to cope with wider tyres for increased traction in tight corners technical descents or wet conditions featuresmaterial aluminiumrim height 32mm v profilerim width external 22mmmrim w