Pad material: organic semi-metal compoundBacking plate material: steelBrake compatibility: Shimano 4-piston: Saint, Zee, XTR, XT, SLX, DeoreColor backing plate: purpleWeight according to manufacturer: n.a.Weight self-weighed: 20gScope of delivery:1 pair of E-bike brake pads for Shimano 4-piston: Saint, Zee, XTR, XT, SLX, Deore | purple1x spring