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BMC Fourstroke 01 Custom Build

Built this bike in September of 2025 with full XTR electronic and the new XTR Brakes. Upgraded the frame from stock 100mm to 120mm and installed Fox Factory Suspension and Fox 3-position Lockout lever, which works perfectly with the Autodrop seat post. Serviced the suspension in May of this year. Everything is mechanically sound, but there are a few dings from regular MTB riding. Dropper goes down without sitting on it, perfect for XC racing and riding. SRAM X0 Crank with Alugear Chainring and Quarq Powermeter; sanded the finish off the crankset for a silver look, without affecting the structure. Did the same to the stock BMC stem. I did not use Oven Cleaner or any products that could change the chemical makeup, just old-fashioned elbow grease.

Full Specs -

BMC Fourstroke 01 Carbon frame with Autodrop Seatpost Shimano XTR 12-Speed Di2 Drivetrain SRAM X0 Crankset w/Quarq Powermeter and Alugear Chainring Shimano XTR M9220 Levers and M9200 Calipers 180mm XTR Brake Rotors DT Swiss 1501 Carbon Wheels Fox Factory 34 Step Cast Fork and Factory DPS Shock Fox Twin-stick Dropper and Lockout Lever BMC Carbon Handlebars and 60mm Stem Prologo NDR Seat Pirelli XC RC Tires