Universal MTB/Trekking pedals with aluminium cage and durable Boron steel axle. Pedals have a special polymer bearing system (bushing sleeves). For better visibility at night - pedals have removable reflectors. Axle thread type: STANDARD, 9/16", fits most cranksets BODY: Aluminum CAGE: Aluminum, replacable SPINDLE: Boron steel BEARING: Polymer bearing (durable plastic bushings) SIZE: 100 x 63 x 24 mm WEIGHT: 258 g / pair With removable reflectors for additional safety at low light conditions Includes left and right pedal.