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

The F2 model is engineered for harder

BOA® Fit System:

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

35 Tire Diameter/ISO 20/406 e-Bike approved No Tire Size 20X2

Butyl covered bead to seal the tire against the rim

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