Rolls fast

Removes all chain oil and wax residue

A blend that’s soft enough to absorb vibration

the diamond-shaped lugs squeeze in for grip as they contact dirt

It's new design makes it one of the lightest and slimmest heart rate monitors

SHIMANO XTR PD-M9100 Pedal - 3mm Shorter Axle giant Rolls fastWider edge to edge contact area provides solid pedal shoe interface and transmits power efficientlyCylindrical contact area sheds mud better for consistent stepping in & out2 axle length options Crank surface Pedal center : 52 mm, 55 mmBetter mud clearanceStress free pedalingImproved axle durability Pedal Axle Material: Chromoly Steel Pedal Body Material: Aluminum Average Weight: 314g,310g