Hope 51mm Caliper Adapter (IS) R-180mm Black Stroke (mm)-40 The F2 model is engineered

The F2 model is engineered for harder

along with bottom bracket height

including 1x and 2x so you never have to worry about selecting the right derailleur Orbit chain management system and a unique Flattop chain for a reassuringly quiet

Material:100% POLYESTER

Hope 51mm Caliper Adapter (IS) R-180mm Black Stroke (mm)-40 The F2 model is engineeredFor use with 2006+ Hope 74mm mounted calipers IS front adapters fit both quick release (QR) and thru axle (TA) fork mounts with included spacers Fits front (F) and or rear (R) applications: (IS) International Standard; (PM) post mount Model N (HBMNN) Fork Frame Mount (IS) 51mm Caliper Post Mount 74mm Size +40mm Color Black