2015 BMC GF01 DISC 105

BMC GF01 Disc


Size In Stock:
51 (Black/Red)
Location: Highlands

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Shimano 105 components make it easy to climb aboard this BMC GranFondo GF01 Disc bike. This is a WorldTour-ready frameset built up with a firm eye on the bottom line.

The latest iteration of 105, dubbed 5800 in Shimano-speak, is hardly the 105 of old. In terms of quality, it’s like Dura-Ace from a few iterations ago, just with trickle-down designs of the latest Dura-Ace 9000 group. Everywhere you look you can see the design cues, The longer lever on the front derailleur, making shifting lighter and faster. The wider cage plates on the rear derailleur, stiffening up the derailleur action, also serving to speed up shifts. The four-arm 50/34 compact crank, with a two-piece outer ring and a bolt circle diameter that can also accept standard rings. Possibly most important are the non-series RS685 STI levers. These combine hydraulic braking, and a small reservoir in the lever, with mechanical shifting.

The RS685’s compress mineral oil, which moves the BR-R785 hydraulic calipers and stops the 140mm SM-RT99-SS rotors. These impenetrable names hide the important features Shimano designed into the components. The rotors are a multi-metal sandwich and sport cooling fins, the brake pads have cooling fins as well. This is part of Shimano’s Ice Tech design. The features prevent overheating and make it possible to use the small rotors in all conditions.

The rotors are fixed onto Shimano WH-RX31 wheels. These tough rims are tilted toward durability, but still have some go-fast features. 24 double-butted bladed spokes front and rear, with 30mm tall rim. The 23mm width means the wheels can accept 23-28mm tires and still fit fine in the frame. Coming with the bike are Continental Ultra Sport 2 28mm folding training tires that can be ridden anywhere for a long time.

The reason for going the 105 route is to get on the GF01 as inexpensively as possible. This is a bike designed for the long haul, with a ride that could be deemed “stage race” because it is stable and comfortable while still providing stiffness for drive train efficiency and steering precision. This bike was built for Paris-Roubaix, so it is at home rolling over rough roads, with the vertical flex helping keep the bike on the stones and your back happy. The flex is from BMC’s TCC, or Tuned Compliance Concept. They use cantilevered dropouts, called angle compliance, pencil-thin seat stays with a kink at the top, a tuned compliance seat post, and a tapered top tube to make sure the rear wheel keeps in contact with the road. Up front, they gain steering precision with a tapered 1 1/8″ to 1 1/2″ steerer tube, a big block of fork crown. And an oversized down tube. These features are balanced with their tapered TCC fork legs and angle compliance fork tips

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 bottom bracket is BB86, which is light and versatile. This bike is good to go, but if you find yourself wanting an improvement, this bike will be even better with component upgrades.

The BMC Granfondo GF01 Disc 105 Bike gets you in on the ground floor of the WorldTour.


  • Bottom Bracket Shimano
  • Brake Calipers Shimano BR-785
  • Cassette Shimano 105 5800, 11-32
  • Chain Shimano 105 CNHG600
  • Crankset Shimano 105 5800, 50×34
  • Fork BMC Compliancefork Disc, Carbon
  • Frame Material Carbon TCC, With Angle Compliance
  • Front Derailleur Shimano 105 5800
  • Handlebar BMC RDB 3
  • Headset BMC Integrated
  • Pedals Not Included
  • Rear Derailleur Shimano 105 5800
  • Rotors Shimano SM-RT99-SS, 140mm
  • Saddle Fizik Aliante Delta Wingflex Manganese
  • Seatpost BMC Compliancepost, Carbon, 18mm Offset
  • Shifters / Levers Shimano ST-RS685
  • Stem BMC RST 3
  • Tires Continental Ultra Sport 2, 700x25c
  • Wheel – Front Shimano WH-RX31
  • Wheel – Rear Shimano WH-RX31
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