Universal MTB/City/Trekking pedals with aluminium cage and durable Boron steel axle. Pedals have ball bearings. 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: Ball bearing SIZE: 105 x 63 x 24 mm WEIGHT: 257 g / pair With removable reflectors for additional safety at low light conditions Includes left and right pedal.