Gauge bar made of heavy gauge, chrome plated steelAdjusts to fit 20â to 29â+ wheelsReplaceable threaded tipUpgraded, large inner shaft for added strengthTighter tolerances for improved accuracy over previous modelsImproved clearance and reach to fit more frame/hanger combos including low clearance thru axle derailleur hangersAlignment gaugeDAG-2.2UPC/EAN/GTIN: 763477002624