Trek Fuel EXe 9.8 GX AXS T-Type Full Suspension Electric Mountain Bike 2024Trek Fuel EXe 9. 8 GX AXS T Type Full Suspension Electric Mountain Bike 2024 The Fuel EXe 9. 8 GX AXS takes an evolved approach to e mountain biking with a revolutionary motor that packs space age technology in a tiny but mighty package. It's built on a carbon fibre chassis that's light, stiff and nimble for a lively and playful trail feel. And to keep a good thing going, it's topped off with carbon wheels, the wireless shifting technology of a SRAM