3t orbis ii c50 ltd stealth wheelsetthe orbis ii c50 ltd stealth wheelset is the premium medium depth clincher wheelset from the 3t orbis ii range of rim brake wheels wide 25mm all carbon fibre rims ideally support fat race weight clincher tyres at lower inflation pressures for more grip and comfort the 3t linear system optimises build quality spoking is 20 front24 rear with internal inverted nipples the carbon fibre rim is 50mm deep with a blunt profile for stable aerodynamic performan