The standard pulleys use a plastic body rotating on a steel axle and are sensitive to dirt
Materials: Nylon spandex main body material for maximum mobility and increased durability
Tempered Silicon-Chromium Steel
ATTACHMENTS: Fork attachment with hook and loop straps
Designed with a subtle convex profile to provide you with more grip thanks to the pedal sitting in the natural arch of your foot
Enduro CO 6901 12mm x 24mm x 6mm Hub Bearing - 12mm - 24mm - 6mm - ABEC-5 Ceramic Radial Bearing - Black Oxide YGroup_7144885059629 The standard pulleys use aCO 6901 VV Enduro Zero, Black Oxide, Ceramic Hybrid, ABEC 5, radial bearing (C3 clearance) 12 x 24 x 6mm Enduro Zero, Ceramic Hybrid, ABEC 5, radial bearing featuring black oxide treated 52100 high Carbon Chromium alloy races paired with Grade 5 Silicon Nitride Ceramic balls with 90% fill, high pressure, water proof grease. Si3N4 ceramic balls reduce bearing wear and increase bearing life by eliminating steel on steel contact within the bearing. Black