BMC 2021 Road Machine Four - Carbon/Metallic Grey | Premium Carbon | Shimano 105

Please Note. Image may differ from the final product, consult specifications below. One of the hallmarks of innovation is the anticipation of what someone needs before they even consider it to be a desire. For years, there has been a gap between upright endurance road bikes and race road bikes, at least until BMC released the BMC Roadmachine. Called the “one bike collection, the 2021 BMC Roadmachine FOUR road bike is fast enough for a Saturday criterium and comfortable enough for a Sunday adventure ride. Hallmarks of the BMC Roadmachine include a seat tube cutout and D-shaped carbon seatpost, semi-aero tubing, and an available integrated Garmin/GoPro/accessory mount that attaches to the stem. There is also an interchangeable plate on the downtube that allows for electronic and mechanical drivetrain swaps, BMC’s handy integrated cylindrical chain catcher, and a choice of high and low stack headset top caps to adjust stack and reach measurements. smart design done right the first time doesn’t need to change. Above else, the Roadmachine is about refinement. Perhaps the biggest change from the previous model is an update to fit up to a 33c tire in the name of expanding the Roadmachine’s overall capability. There is a new asymmetric fork to increase strength on the disc brake side to put it in line with the rest of the BMC road bike line. You’ll also find tapered chainstays, seat stays that mounted low on the seat tube to improve compliance around the seatpost and saddle, and a bento box mount on the top tube. What makes the Roadmachine so appealing, not only to us but to the myriad of road riders who happily ride Roadmachines from our shop, is its broad appeal. It’s truly a modern road bike, one that serves riders who ride tons appreciate zippiness and neutral handling but don’t want the hard edges of a race road bike. The new bike is just as good as, if not better than, the previous Roadmachine, but it expands tire clearance and possibilities for what a Sunday morning ride can consist of. The 2021 BMC Roadmachine FOUR is based around their premium carbon frame and a Shimano 105 drivetrain. The Roadmachine FOUR adds in Mavic Open Disc wheels, their D-shaped carbon seatpost, and a Vittoria Rubino 28mm tires. Roadmachine ONE is available in six sizes (47 – 61 cm). Premium Carbon chassis and D-Shape seatpost Shimano 105 Drivetrain Mavic Open Disc Rims, CL-712 (F) / RXC-1425 (R) Hubs FRAMESET Frame Material: carbon Size: 47 / 51 / 54 / 56 / 58 / 61 Gears: 2x11 Chainwheel: Shimano 105, 50-34T Cassette: Shimano 105, 11-32T Chain: Shimano 105 Front Derailleur: Shimano 105 Rear Derailleur: Shimano 105 Shifters: Shimano 105 Brakes: Shimano 105, SM-RT70 (160/160) Handlebar: BMC RAB 02, ergo top shape, compact bend Stem: BMC RSM01 Seatpost: Roadmachine D-Shape Carbon, 15mm offset Seat: Fizik Taiga Hubs: CL-712 (F)/RXC-1425 (R), Thru Axle Rims: Mavic Open Disc Tires: Vittoria Rubino, 28mm Colour: Carbon & Metallic Grey Notes: Tubeless Ready (rim strip installed, valves included) Size 47 51 54 56 58 61 Rider Height CM 190 Top Tube MM (tt) 522 532 546 556 568 583 Wheelbase MM (wb) 982 999 997 1008 1020 1035 Seat Angle (sa) 74.2 74.2 74.2 74.2 74.2 74.2 Seatpost Length MM 330 380 380 380 380 430 Stack MM 516 541 562 586 610 644 Trail MM (trail) 63 63 63 63 63 63 Rear Center MM (rc) 410 410 410 410 410 410 Reach MM (reach) 374 382 386 390 394 398 Head Tube MM (ht) 112 139 156 181 206 242 Head Angle (ha) 71.2 71.2 72 72 72 72 BB Drop MM (drop) 71 71 71 71 71 71 Stem Length MM 90 90 100 110 110 120 Seat Tube MM (st) 420 457 500 522 539 573 Stem Angle ±8 ±8 ±8 ±8 ±8 ±8 Post Offset MM 15 15 15 15 15 15 Crank Length MM 170 170 172.5 172.5 175 175 Fork Rake MM (fr) 50 50 45 45 45 45 Front Center MM (fc) 583 599 597 609 621 635 Fork Length MM (fl) 375 375 375 375 375 375 Bar Width MM 400 420 420 420 420 440 Bar Reach MM 70 70 70 70 70 70 Bar Drop MM 125 125 125 125 125 125