1ZERO HITOP SThe 1ZERO HITOP S wheelset melds high value with high performance for a better and faster ride. The 1ZERO HITOP S carbon rim complies with the terrain thanks to Zipp’s proprietary HITOP Technology. The result is a light XC race or adventure wheel that carries speed through all sections of the trail, rocks, roots, and rutswith the durability required for a trail bike with up to 130mm of travel.. The winged rim top provides a smooth resting surface for the tire, reducing the chance. of pinch flats after a rock hit. ZM 900 hub with 52 points of engagement for fast acceleration. TyreWiz tire-pressure monitoring system sold separately. Lifetime warranty. SRAM Model ID: WH-1ZRO-HTS-A1. Item Specifications: Axle Type, 12mm TA, Cassette Body Type, Micro Spline, Hub Type,.
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