Specification

Details

Model

Synapse Carbon 4

Vehicle Category

Road Bike

Application

Endurance road riding

Starting Price (2025)

$3,200.00 USD

Color Options

Metallic Red

Specification

Details

Frame

Synapse Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12x142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seat binder, SmartSense Gen 2.0 compatible, fender mounts

Fork

Synapse Carbon, integrated crown race, 12x100mm thru-axle, flat mount disc, internal routing, 1-1/8" to 1-1/5" Delta steerer, 55mm offset, fender mounts

Drivetrain Compatibility

Shimano 105 Di2 7150, 2x12-speed

Dropouts

12x142mm thru-axle (rear), 12x100mm thru-axle (front)

Bottom Bracket

Shimano BSA 68

Crank

Shimano 105 7100, BSA, 50/34: 165mm (44cm), 170mm (48-51cm), 172.5mm (54-56cm), 175mm (58-61cm)

Chain

Shimano 105 7100, 12-speed

Rear Derailleur

Shimano 105 Di2 7150

Front Derailleur

Shimano 105 Di2 7150, braze-on

Shifters

Shimano 105 Di2 R7170, wireless, 12-speed

Cassette

Shimano 105 7100, 11-34, 12-speed

Specification

Details

Seating

1 passenger (Fizik Vento Argo X5, 140mm)

Wheels/Tyres

Vittoria Rubino Pro IV, 700x32c

Wheel Size

700c

Brakes

Shimano 105 7170 hydraulic disc, 160/160mm RT70 rotors

Brake Levers

Shimano 105 Di2 7170 hydraulic disc

Handlebar

Vision Trimax Aero Alloy: 400mm (44-51cm), 420mm (54-61cm)

Stem

Cannondale C1 Conceal, Alloy, 31.8, -6°: 80mm (44-48cm), 90mm (51cm), 100mm (54-56cm), 110mm (58-61cm)

Headset

Integrated, 1-1/8" - 1-1/2"

Saddle

Fizik Vento Argo X5, 140mm

Seatpost

Cannondale C1 Aero 27 Carbon, SmartSense compatible, 330mm length, 0mm offset (44-48cm), 15mm offset (51-61cm)

Seatpost Clamp

Integrated

Grips

Cannondale Bar Tape, 3.5mm

Front Hub

Shimano RS470, 12x100mm centerlock

Rear Hub

Shimano RS470, 12x142mm centerlock

Rims

DT Swiss R470 DB, 28h

Spokes

Stainless Steel, 14g

Exterior Features

Cannondale Wheel Sensor, large StashBag downtube storage bag