Answer Chain Tensioners come in two sizes, Mini and Pro. Both are CNC machined from aluminium with the Mini weighingin at a tiny 28 grams and are designed to be used on 3/8 female axle hubs that use 6x1mm bolts.TheAnswer Pro chain adjusters are CNC machinedwith multiple holes drilled to help save weight and a dual axle holes to accommodate a wide variety of dropout sizes. Save a slam, use chain tensioners!

Weights
Mini: 28g
Pro: 68g