Derailleur Hanger for BTWIN, Decathlon Groupset Type_Mechanical photograph your current hub shell

photograph your current hub shell and contact Cobbled Climbs before purchase

Freewheels tighten under pedalling load and can be extremely difficult to remove — a proper splined tool grips the freewheel body correctly and reduces the risk of slipping

even without visible exterior damage

making the per-ride cost negligible

Derailleur Hanger for BTWIN, Decathlon Groupset Type_Mechanical photograph your current hub shellThe Pilo D187 Derailleur Hanger is a precision machined replacement dropout hanger designed specifically for BTWIN and Decathlon bicycles. If you have snapped a hanger on a rough patch of road near Pune or during a loaded commute in Delhi, this is the part that gets you riding again without replacing the entire rear dropout or frame. Stocking a spare is simply sensible practice for any regular cyclist. Our Take Indian roads punish drivetrain