This combo kit is both a Garmin bike mount and a universal Wahoo mount and easily accommodates computers by Garmin and Wahoo, including large cycling computers like the Garmin Edge 1030, Wahoo elemnt and moreCompatible with larger 35mm bars and is 31.8mm and 25.4mm compatible with included shimsGoPro compatible undermount locks into place with an easy quarter turn movementThe KOM Cycling universal bike mount + GoPro undermount combo kit weighs in at a teeny 56 grams combinedCarbon Fiber