iXS Trigger AM MIPS All Mountain/Enduro Bicycle Helmet, Burnt Orange SM(54-58cm) Wheel Size_29"/27.5" (650b) Upgrade your bicycle's internal gear

Upgrade your bicycle's internal gear system with the Sturmey Archer Mark Yellow Indicator Chain for 5-speed hubs - built for durability

these replacement pads ensure a secure fit and enhanced heat dissipation

making them an environmentally friendly choice for eco-aware cyclists and outdoor enthusiasts

providing seamless compatibility with road bikes

iXS Trigger AM MIPS All Mountain/Enduro Bicycle Helmet, Burnt Orange SM(54-58cm) Wheel Size_29"/27.5" (650b) Upgrade your bicycle's internal gearMIPS brain protection system Inmould technology, external and internal ventilation channels Adjustable, goggle compatible visor Dial adjuster with precision interlocking ErgoFit UltraTM system for horizontal and vertical adjustment Double Inmould, 360 Inmould shell Adjustable straps Magnetic closure EN1078, CPSC, KC Sizes: SM = 54 58cm, ML = 58 62cm head circumference