Alfa Disc

Dura-Ace R9200 Di2 Complete Bike

Regular price $10,925

Shimano is the pioneer of electronic shifting, and on this ALFA DISC build we feature their top-of-the-line Dura-Ace R9200 Di2 drivetrain. Shimano diehards swear by the low-profile Dura Ace shift levers, and who doesn’t love the stealthy metallic finish of each and every component? We marry it up with the Industry Nine I9.35 Carbon wheelset -- featuring their svelte and speedy US made Torch hubs -- and an ultra light Black Inc. bar and seat post.

There is something gloriously pure about the single-minded road machine. The ALFA DISC is exactly that: Our knock-down, drag-out race bike whose goal is to take each and every one of your watts and transform it into sheer speed. The carbon layup and frame geometry are tuned with care to give you just the right amount of road feel for blasting through twisty roads. The final addition to its performance is actually subtraction -- the way we take the edge off the high-frequency chatter from choppy pavement.

The ALFA DISC pairs the very best in technology and performance to timeless design. We leverage the very best in raw materials and engineering know-how to deliver a best-in-class race bike, doing so in an elegant and pragmatic way.

Elegance? The near-level top tube of the ALFA DISC hearkens to decades of classic road bike aesthetics. We obsess on the little things like cable management and the seatpost binder. Pragmatism? We dismiss 15 years of senseless blather about new-and-improved bottom brackets and build the ALFA DISC with a 68mm threaded design. We offer the bike in 12 sizes -- including “+” sized headtubes. We use Innegra fibers at high-stress areas for added durability where you need it most.

Key Features


MAXIMUM CLEARANCE
700x30 front and rear
WEIGHT
875g for 56cm
SIZING
6 standard sizes from 49cm-61cm, and 6 "Plus" sizes (2cm taller headtube)
DRIVETRAIN
2x crankset for maximum gearing options. Threaded BB. Braze-on front derailleur. Compatible with all shifting systems - electronic and mechanical.
OTHER SPECS
27.2mm seatpost. Flat-mount disc brakes. Integrated headset - 1-1/8" to 1-1/4"

Build Kit

BOTTOM BRACKET
Shimano Dura-Ace BB-R9100 68mm Threaded
BRAKES
Shimano Dura-Ace BR-9270 Flatmount Disc
CASSETTE
Shimano Dura-Ace CS-R9200 11-34 12spd
CHAIN
Shimano XTR CN-M9100
CRANKSET
Shimano Dura-Ace FC-R9200 50/34
FRONT DERAILLEUR
Shimano Dura-Ace FD-R9250 Di2
HANDLEBAR
FSA K-Force Compact Carbon Handlebar
HANDLEBAR TAPE
Arundel Gecko
REAR DERAILLEUR
Shimano Dura-Ace RD-R9250 Di2
SADDLE
Ergon SR Pro S/M Men's
SEATPOST
FSA K-Force Light Carbon Seatpost
SHIFT LEVERS
Shimano Dura-Ace ST-R9270 Di2
STEM
FSA K-Force Light 2.0 Stem
TIRES
Vittoria Corsa Control TLR 700x28
WHEELSET
Industry Nine I9.35 Carbon

Sizing Guide

49 52 54 56 58 61
Crankset 170 170 172.5 172.5 175 175
Handlebar 40 40 42 42 44 44
Stem 90 90 100 100 110 110

Frame Geometry

Standard Headtube
Frame Size 49 52 54 56 58 61
A. Headtube Angle 72.25 73 73 73.5 73.5 74
B. Seat Tube Angle 75.5 74 73.5 73.25 73 72.5
C. Head Tube Length 97 117 137 157 187 207
D. Effective Top Tube Length 513 537 548 565 583 601
E. Seat Tube Length (c-t) 482 512 532 552 572 602
F. Chainstay Length 410 410 410 410 410 410
G. Stack 501 523 539 560 588 608
H. Reach 382 386 389 396 404 410
I. Bottom Bracket Drop 71.5 71.5 69 69 67.5 67.5
J. Wheelbase 969 974 981 992 1008 1015
K. Standover Height (w/700x28) 750 775 791 815 839 862
L. Fork Rake 44 44 44 44 44 44

Plus Headtube
49+ 52+ 54+ 56+ 58+ 61+
A. Headtube Angle 72.25 73 73 73.5 73.5 74
B. Seat Tube Angle 75.5 74 73.5 73.25 73 72.5
C. Head Tube Length 117 137 157 177 207 227
D. Effective Top Tube Length 513 537 548 565 583 601
E. Seat Tube Length (c-t) 482 512 532 552 572 602
F. Chainstay Length 410 410 410 410 410 410
G. Stack 520 542 559 580 607 628
H. Reach 376 381 382 391 398 404
I. Bottom Bracket Drop 71.5 71.5 69 69 67.5 67.5
J. Wheelbase 969 974 981 992 1008 1015
K. Standover Height (w/700x28) 750 775 791 815 839 862
L. Fork Rake 44 44 44 44 44 44
Have a Question?

Timeless design

The top tube is nearly level, giving the ALFA DISC a classic look. And after more than a decade of changing bottom bracket standards, we happily use a threaded 68mm shell. No more creaking, easy to service and just as light as any other bottom bracket standard. Your mechanic will thank you.

Geometry

Fit is everything. The ALFA DISC is available in an industry-leading 12 sizes. This includes our plus-sized frames. The “+” designates a 2cm taller headtube that slightly raises your bars to allow for a more relaxed position.

Tire width

When it comes to high performance wheels, wider is indisputably better. The ALFA DISC accepts all modern rim widths so you can maximize your aerodynamic advantage. And when you’re looking for a smoother ride -- you can fit tire sizes up to 700x30c.

Cable Management

The ALFA DISC treats cable management as an essential detail of industrial design. We’ve designed the routing to be easily compatible with every drivetrain option out there. The cables look all-but-hidden, and installation and maintenance is a breeze.

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