An inexpensive all round 20 mm wide (internal) road disc brake rim, ideal for those looking to convert to wider, tubeless tyres on a budget Can be run either with standard clinchers or road tubeless tyres using DT Swiss tubeless tape and valves Unique process for the black coating produces a tough and durable finish Suggested maximum system weight of 120 KG, those looking for a wider road rim for heavier riders or for mixed terrain riding are advised to consider the suitably tough RR 521 DB's Presta drilling ERD: 597 mm Outer width: 24 mm, Inner Width: 20 mm Height: 23 mm Max spoke tension: 1200 N Weight: 450 grams