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The biggest difference between the Ultegra Di2 bike and this one is this ride has mechanical shifting. The ST-R685 levers look like standard mechanical shifting and braking levers, but there’s a reservoir hidden inside. The ergonomics are almost identical to the standard mechanical-shifting road lever, which is to write it’s compact and comfy with easy, adjustable reach to the levers, and fast-action on shifts.
The Ultegra 6800 derailleurs shift a 50/34 compact four-arm crank and 11-32 eleven-speed cassette, just like the Di2 version. Also returning are the wheels, the DT Swiss X-1900 Splines. The tubeless-ready hoops come with Centerlock mounting for the Shimano rotors. These are aluminum-rimmed wheels that first saw duty with 29er mountain bikes, so they’re more than durable enough for the road. They’re finished with Continental Grand Prix 4 Season 700 x 28’s for comfort and low rolling resistance.
The Centerlock rotor mounts hold SM-RT99-SS, aka Ice Tech, 140mm rotors. These rotors use multiple metals and cooling fins to make sure the rotors don’t overheat the hydraulic fluid, and are aided in this with the finned pads on the BR-785 hydraulic calipers.
But, really, the highlight is the frameset. The Granfondo platform was created for cobbled classics, brutal, five, six, seven hour races where the road conditions are changing constantly, from virgin asphalt to several-hundred year-old farm tracks. Because of the challenges that these roads bring, a stable race bike is advantageous. Not only does the longer wheelbase smooth things out, but the greater bottom bracket drop makes the bike more stable. And the taller head tube, and shorter, sloping top tube put you in a better, more comfy position for riding the hoods and drops into the wind. The advantage to riders never planning on riding cobblestones is simple: this is a bike designed for comfort over long miles, but it’s stiff enough and light enough for racing and spending all day in the mountains.
To further complement the geometry, the bike was designed with both greater stiffness, for better tracking on rough roads, and greater shock absorption, to make sure the road doesn’t hammer you before you get in your hammering. The over-sized chain stays, down tube, 1 1/2″ lower steerer tube, and beefy fork crown, all ensure your power goes to the drive train and the bike goes where you tell it to. But starting with the angle compliance cantilevered dropouts to the thin, kinked seat stays, to the narrow seat tube, to the TCC compliancepost with 18mm of offset, to the tapered top tube, the bike is built to damp the vibrations as well as keep the bike on the road, as you ride over stones and gravel. Likewise, the TCC fork, with angle compliance just above the fork tips allows for vertical deflection while the crown keeps the steering precise.
BMC is big on small touches. There’s in integrated chain catcher above the bottom bracket, thus all but eliminating the likelihood of a dropped chain or scratched carbon. They’ve also designed this frame with DTI, Dual Transmission Integration, so if you ever decide to pull for electronic shifting, you can easily, just by removing the cable stops and installing an internal battery in the seat post.
The BMC Granfondo GF01 Disc Ultegra Bike is a pro platform with smart parts.
- Bottom Bracket Shimano
- Brake Calipers Shimano BR-785
- Cassette Shimano Ultegra 6800, 11-32
- Chain Shimano Ultegra 6800
- Crankset Shimano Ultegra 6800, 50×35
- Fork BMC Compliancefork Disc, Carbon
- Frame Material Carbon TCC, With Angle Compliance
- Front Derailleur Shimano Ultegra 6800
- Handlebar BMC RDB 3
- Headset BMC Integrated
- Pedals Not Included
- Rear Derailleur Shimano Ultegra 6800
- Rotors Shimano RT99-SS, 140mm
- Saddle Fizik Aliante Delta Wingflex Manganese
- Seatpost BMC Compliancepost, Carbon, 18mm Offest
- Shifters / Levers Shimano ST-RS685
- Stem BMC RST 3
- Tires Continental Grand Sport Race, 700x28c
- Wheel – Front DT Swiss X-1900 Spline, Centerlock
- Wheel – Rear DT Swiss X-1900 Spline, Centerlock
Use the form below to inquire about this bike or reserve it for a test ride.
*Bike will be on hold at this location under your name for 24 hours.