Description

Cyclocross is a bike racing discipline that involves riding a drop-handlebar bike on a short, off-road course, usually in a park or similar. Courses include features like mud, sandpits, barriers and steps or slopes too steep to ride, forcing riders to run, as well as easier sections.
A cyclocross bike is designed specifically for this form of racing, and, as we’ll see, its design serves its purpose of going fast, and being able to be carried when the terrain demands.

 

AC388 FRAME

Cyclocross bike frame are designed for maneuverability and comfort, rather than speed. The higher position of the saddle ensures that the rider is seated more upright, is comfortable, and, as a result, has better control. The higher handlebars also reduce the chances of lower back pain.
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CX WHEELS

You can choose almost all road bike wheels fit for CX bicycle, but the wheels is required to be a disc brake and 24 holes , can match the high-performance DT Swiss hub and ultra light Sapim Spokes.
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Shimano Ultegra Di2 R8050 R8070 Hydraulic Disc Brake Groupset with Rotors

New ULTEGRA R8070 series is “pro-proven” as it is a direct trickle down from DURA-ACE groupset. As road bike component, the stress-free operation is one of the most important feature to lead all day riding comfort with braking and shifting.

This groupset is also equipped with among the most advanced hydraulic disc brakes in the industry. For many years Shimano has been pushing the development of disc brake technology for mountain bikes, now this exceptional brake feel, modulation and superior braking power is available on road bikes.

FRAME

MODEL Cyclocross bike frame AC388
MATERIAL Full Carbon Toray T700
SIZES 49/51/53/55/57/60cm
REAR SPACING 100*12mm
FRONT SPCACING 142*12 mm
CABLE All internel
HEADSET H373 1-1/8″,1-1/2″
BB SHELL 86mm BB86 Press-in type
FORK WEIGHT 380±20g
FRAME WEIGHT  1050±40g(49cm)

WHEELSET

WHEEL SIZE MICHILIN 700*38MM
HOLES Front-24h, Rear-24h
HUBS Novatec 411 412/ DT SWISS 350/ DT SWISS 240 EXP
SPOKES Sapim CX-Ray
NIPPLES Sapim
QUICK RELEASE Titanium

DRIVETRAIN

SHIFT LEVERS Shimano Ultegra Di2 Disc R8070
FRONT DERAILLEUR Shimano Ultegra Di2 R8050, braze-on
REAR DERAILLEUR Shimano Ultegra RX, RX805
CASSETTE Shimano Ultegra, 11-speed, 11-34t
CRANKSET Shimano Ultegra R8000, HollowTech 2, 11-speed
CHAINRINGS 50/34T
BOTTOM BRACKET Shimano Ultegra, BB86
CHAIN Shimano Ultegra, 12-speed

OTHERS

 

SADDLE Carbon SD01
SEAT POST Carbon SP01, 400mm
HANDLEBAR  HB004, 420mm
BOTTLE CAGE Full Carbon BC02
STEM  Carbon ST01
SEAT POST DIAMETER 27.2mm
Complete Bicycle Weight 7.46kg (Excluding Pedal)

Geometry

 

    49cm 51cm 53cm 55cm 57cm 60cm
A Top Tube Length 509mm 535mm 547mm 559mm 569mm 589mm
B Head tube length 115mm 125 mm 140mm 155 mm 170.0 mm 190.0 mm
C Seat Tube Angle 75.5 ° 74 ° 73.5 ° 74.25° 73 ° 72.5 °
D Head Tube Angle 70.5 ° 71.5 ° 71.5 ° 72 ° 72.5 ° 73°
E BB Drop 71 mm 71 mm 69 mm 69 mm 67 mm 67 mm
F Chain Stay 425 mm 425 mm 425 mm 425 mm 425 mm 425mm
G Wheel base 1006 mm 1008 mm 1016 mm 1022 mm 1025 mm 1032mm
H BB  to Frame Wheel 592mm 594 mm 601mm 606 mm 609 mm 616 mm
I Fork Length 400mm 400 mm 400 mm 400 mm 400 mm 400 mm
J Fork Rake 49mm 49mm 49mm 49mm 49mm 49mm
K Seat Tube Total Length 490mm 510 mm 530 mm 550 mm 570mm 600 mm
L Reach 369mm 376 mm 379mm 384 mm 387mm 393mm
M Stack 541 mm 554 mm 566mm 582mm 597 mm 618 mm
Frame Weight 1050g 1090g 1110g 1110g 1130g 1140g

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