Universal MTB/Trekking pedals made from aluminium and features 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 cranksetsBODY: AluminumCAGE: Aluminum (integrated)SPINDLE: Boron steelBEARING: Polymer bearing (durable plastic bushings)SIZE: 103 x 66 x 25 mmWEIGHT: 310 g / pairWith removable reflectors for additional safety at low light conditionsIncludes left and right pedal.