Nukeproof Neutron V2 RimThis MTB rim has gone through extensive testing, so you can benefit from its fantastic strength and smooth rolling performance on the toughest of rides. It features a 28mm internal diameter and it’s constructed from a 6066 alloy, which makes it light enough for aggressive trail-riding as well as strong enough for DH. This rim can be setup tubeless by using tubeless tape and is for disc brake use only. Rim Size ERD Approx Weight 27.5" 560.9 470g 29" 598.9 500g Features: Rim Material: 6066 Alloy Use: MTB Rim Inner Width: 28mm Rim External Width: 32mm Drilling: 32 hole Rim Height: 18mm Join: Welded Tubeless Compatible: Yes - use 33mm tape Brake Type: Disc only Finish: Sandblasted Valve Type: Presta Single or Pair: SingleBuy Nukeproof Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.