bmc rennräder 2021 BMC Teammachine SLR 01 Three Bike

The BMC Teammachine SLR 01 Three is a purpose-built climbing machine — the kind of road bike you reach for when the route tilts upward and everything extra becomes a liability. Now in its fifth generation, the Teammachine SLR 01 frame has been redesigned from the ground up: lighter than its predecessor, more aerodynamically refined, and built around BMC’s “01” premium carbon layup that prioritizes stiffness-to-weight above all else. BMC describes it as the most aerodynamically advanced climbing bike in their history — a claim backed by CFD analysis and wind tunnel development that shaped every tube profile on the frame.

What makes the Gen 5 stand out isn’t just the weight savings. BMC’s engineers rebuilt the Aerocore system — two superlight integrated carbon bottle cages that sit flush with the reshaped down tube and seat tube — so that the bike remains aerodynamically clean even when loaded with bottles. The ICS Technology stealth cable routing runs fully internal through the frame and fork, eliminating exposed housing without complicating service. TCC Race Compliance is built into the frame design, meaning the rear end is tuned to absorb road buzz and maintain tire contact through technical terrain, even as the front end stays direct and responsive. It’s a road racer that doesn’t punish you on a five-hour day.

The Three build puts Shimano Ultegra Di2 throughout — front and rear derailleur, shifters, and hydraulic disc brakes — paired with a Shimano Ultegra R8100 crankset running a 52/36 chainring setup and the 4iiii Precision Gen3+ single-sided power meter. That power meter inclusion at this price point matters: training with data is no longer optional for riders who want to perform, and having it built into the crankarm means no bolt-on compromises. The Shimano Ultegra R8101 12-speed cassette runs 11-34, giving you meaningful range on long climbs without sacrificing high-end gear for flat or downhill stretches. The ICS Carbon Aero Gen 2 one-piece carbon cockpit integrates stem and handlebar into a single unit, keeping the front end clean and weight low.

Design Benefits

1. Gen 5 “01” Carbon Layup: BMC’s top-tier carbon construction delivers the stiffness-to-weight ratio that defines a true climbing race bike — power transfers cleanly from the pedals with no flex wasted in the bottom bracket or chainstays.
2. Aerocore Integration: The Aerocore bottle cage system isn’t a cosmetic feature. By designing the cage geometry to follow the tube profile of the down and seat tubes, BMC significantly reduces aerodynamic drag compared to traditional cage mounting — a meaningful advantage over the course of a long breakaway or mountain stage.
3. Full Electronic Shifting with Power Data: Shimano Ultegra Di2 delivers precise, consistent shifts under load — exactly what you need mid-climb when cadence matters. The included 4iiii Precision Gen3+ power meter gives you real data to pace efforts, target watts on climbs, and build structured training around.
4. CR 40 SL Carbon Wheelset: The BMC CR 40 SL rims hit a practical sweet spot — deep enough at 40mm to hold speed on descents and rolling terrain, light enough to stay manageable on climbs. Tubeless-ready construction gives you the option to run lower pressures and improve grip and comfort when you’re ready to make that transition.
5. ICS Stealth Cable Routing: Fully internal cable and housing routing through both frame and fork keeps the bike aerodynamically clean and protects cables from weather and road debris — without sacrificing ease of service.

Final Take

The Teammachine SLR 01 Three is built for riders who treat climbing as a discipline, not a necessary inconvenience. At $9,499, it delivers a Gen 5 race-level BMC frame, full Shimano Ultegra Di2 electronic groupset, an integrated carbon cockpit, and a power meter — without asking you to upgrade anything before race day. If your calendar has mountain stages or you simply want a bike that disappears beneath you on long climbs, the SLR 01 Three is a complete, race-ready package from the ground up.