These great quality light AUTHOR APD-315 pedals made of ALLOY. A 19 mm low profile, high quality ball bearings. The axle is hardened Cr-Mo. One-piece ALLOY 6061-T6 body, Hardened Cr-Mo axle with 15 mm wrench slot and 6 mm innerĀ hex wrench hole. High quality ball bearings. Platform shape 90 x 63 x 20 mm. Weight only 288 g. # pedal metalwhere to buyphotogalleryproduct options Photogallery Product options black = UA#34152003