is an authorized brand. Only the sellers under authorization can start selling the products in brand. Our products will bring the excellent and first-class shopping experience to customers. The DAG-2.2 is an indispensable shop tool that can be used to both measure and straighten misaligned derailleur hangers solving a high percentage of shifting problems. Gauge bar made of heavy gauge, chrome plated steel Adjusts to fit 20 to 29 + wheels Replaceable threaded tip Upgraded, large inner shaft for added strength Tighter tolerances for improved accuracy Improved clearance and reach to fit more frame/hanger combos including low clearance thru axle derailleur hangers Package Contents: 1* Derailleur Hanger Alignment Gauge Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Find answers in product info, Q&As, reviews