Specification: Brand: ROCKBROS Colour: Black/Red/Orange Material: Nylon, Cr + Mo steel Weight: approx.365g/pair(2017-12C);approx.412g/pair (2018-12A) Maße: ca.12*10,5*2cm(2017-12C);ca.13,5*12*2cm(2018-12A) Feature: 2018-12A: Widened platforms(13.5cm) for more riding comfort. 2017-12C: approx.365g/a pair for lighter riding. Axles are made of Bearing + Graphite DU. Profile and 10 non-slip nails on each side of the platform improve the contact between pedals and feet. Thickened flanks increase stability. Non-slip：The profile and 10 non-slip nails on each side of the platform improve the contact between pedals and feet. Anti dust/rain：There are dust covers to better protect the pedals. Easy installation：The pedal axle is labelled R and L, making it easier to install these pedals.