When you need all of today39s tech blended with a durable component spec and an agile wheel size it39s tough to beat the stumpjumper fsr comp carbon 650b it features a durable selection of components from sram hand selected to ensure that you get the most performance over rugged terrain possible at the frame you39ll find our fact 9m carbon fibre trail chassis with an m5 alloy rear end that creates a lightweight strong and stiff construction the carbon molding process also allowed us