This sale is for a Rock Shox Sid Brain SL suspension fork for 29"wheel mountain bike. 2025 model, travel = 110mm, offset = 44mm, wheel size = 29". This is the superlight version of the great Brain! I purchased this new with my Epic WC Pro and used this for a single season then had it fully serviced by the Suspension Syndicate out of the Bicycle Center in SLC. It has not been ridden or mounted since the service work so it functions like brand new. The fork is in excellent condition and shows only minor/normal signs of use as is typical of a NICA course. If you would like to upgrade your suspension and want something very effective and light, then this is your fork!