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BMC Alpenchallenge One Flat Bar Road Bike Amber Black (2021)

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Free Bike Build

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Service

First Free Service
Every bike come with a complimentary free service and safety check.

The Alpenchallenge is designed for the performance-minded commuter. Designed with cues from BMC's fastest road bikes, the Alpenchallenge is a flat-bar urban ride that can climb and descend with the best of them. A alloy frame and fork deliver reliability you can set your watch to, while the rider-friendly ergonomics offer the perfect body position whether powering up a local asphalt climb or casually running errands around town.


FAST FRAME DESIGNS: Style and design borrowed from our aero family, compliance adopted from our endurance models, and the geometry and responsiveness of a road racing bike, the Alpenchallenge is one seriously versatile bike.

GREAT-HANDLING FORK: The Alpenchallenge carbon fork brings a comfortable ride, clean aesthetics, and brilliant steering.

FENDER AND KICKSTAND MOUNTS: Functional adaptability for an active urban lifestyle.

LOW-MAINTENANCE DRIVETRAIN: The Gates belt drive system looks amazing and is incredibly low maintenance.

More Information
SKU BMC21AlpenchallengeOneAmberBlack
Season 2021
Wheel Size 700c
Frame Material Alloy
Groupset Brand Shimano
Groupset Shimano Rapidfire
Cassette Type Single Speed
Chainset Type Single
Brake Type Hydraulic Disc Brake
Brakes Shimano MT500/RT54 rotors (160/160)
Cassette Gates CDX-CT SureFit, 24T
Chain Belt, Gates CDN-CT 115
Crankset Gates CenterTrack CDN-S-150, 55T
Frame Aluminium
Handlebar BMC LSB 03
Hubs Shimano HB-M4050 / Shimano Alfine 8
Rims PFR300
Saddle Selle Royal Vivo
Seatpost BMC LSP 03
Stem BMC RSM01
Shifters Shimano Alfine 8, Rapidfire Plus
Tyres Continental Contact Speed, 35mm
Speeds 1 x 1
Sizing SKUs SM:BMFB21000472, MD:BMFB21000473, LG:BMFB21000474, XL:BMFB21000475

Flat Bar Road Bike Geometry Diagram


ST Seat Tube

TT Top Tube

CS Chain Stay Length

HTA Head Tube Angle

STA Seat Tube Angle

BD Bottom bracket Drop

HT Head Tube

FL Fork Length

R Reach

S Stack

WB Wheel Base


Wheel Size 700c 700c 700c 700c
Frame Size SM MD LG XL
ST Seat Tube (mm) 440.0 510.0 560.0 610.0
TT Top Tube (mm) 552.0 585.0 601.0 634.0
CS Chain Stay Length (mm) 436.0 436.0 436.0 436.0
HTA Head Tube Angle (°) 71.0 71.0 71.0 71.0
STA Seat Tube Angle (°) 73.0 72.5 72.5 72.0
HT Head Tube (mm) 122.0 165.0 187.0 228.0
R Reach (mm) 390.0 405.0 415.0 430.0
S Stack (mm) 530.0 571.0 591.0 630.0
WB Wheel Base (mm) 1039.0 1068.0 1085.0 1113.0

BMC Road Bike Sizing Chart

Rider's Height (cm)
XS (47cm)
SM (51cm)
MD (54cm)
LG (56cm)
XL (58cm)
XXL (61cm)

This is an accurate estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.