N-Gear Jump Stop
|Options||28.6mm Black Out Of Stock
31.8mm Black In Stock (Warehouse)
34.9mm Black In Stock (Warehouse)
Makes chain derailment past the small chainring virtually impossible by covering the entire engagement zone with a sturdy stainless steel guide plate.
Allows high speed, maximum performance downshifts onto the small chainring.
Fits most bikes with round section seattubes.
Fibre reinforced plastic clamp and stainless steel guide plate.
Made in the USA