Cannondale Synapse Carbon 1 2025 Tungsten Road Bike

Available with Cannondale in the sizes shown above. Expect delivery within 3-4 working days of placing an order.

Go long, go short, go fast. This is WorldTour performance for real world rides.

The sharp end of endurance. Synapse Carbon 1 comes carved from our superlight Hi-MOD carbon and tuned for the real world. The SystemBar cockpit delivers sleek control. Shimano Ultegra Di2 delivers flawless electronic precision, while Reserve’s 42|49 Turbulent Aero wheels slice through wind and roll with poise over chunky tarmac. This is your stealth missile for long-haul glory, wrapped in composure and ready for whatever the road throws next.

Comfortable high-performance road riding, long distance missions, fast group rides

Superlight Hi-MOD carbon construction – incredibly light and responsive

SystemBar R-One – Our low drag, full carbon integrated bar/stem co-developed with MomoDesign

Reserve 42|49 Turbulent Aero carbon wheels with DT Swiss 350 Hubs – Sleek aero performance for all-day rides

Ultegra Di2 – Effortlessly accurate shifting from Shimano’s penultimate electronic 12-speed drivetrain

Vittoria Corsa PRO Control tires – racing performance for extreme conditions

Specification

Frame	Synapse Hi-MOD Carbon, Proportional Response construction, integrated cable routing, downtube Stashport, 12×142 thru-axle, UDH, BSA 68mm threaded BB, flat mount disc, integrated seat binder, SmartSense Gen 2.0 equipped, fender mounts
Fork	Synapse Hi-MOD Carbon, integrated crown race, 12×100mm thru-axle, flat mount disc, internal routing, 1-1/8” to 1-1/5” Delta steerer, 55mm offset, fender mounts
Headset	Integrated, 1-1/8” – 1-1/2”
Rear Derailleur	Shimano Ultegra Di2 R8150
Front Derailleur	Shimano Ultegra Di2 R8150
Shifters	Shimano Ultegra Di2 R8170, wireless, 12-speed
Chain	Shimano Ultegra, 12-speed
Crank	Shimano Ultegra R8100, 50/34, 4iiii PRECISION 3+ PRO Power Meter
Cassette	Shimano Ultegra R8100, 11-34, 12-speed
Bottom Bracket	Shimano BSA 68
Brakes	Shimano Ultegra R8170, 160/160mm CL800 rotors
Brake Levers	Shimano Ultegra Di2 R8170 hydraulic disc
Rims	Reserve 42 / 49 Turbulent Aero, 24h, tubeless ready
Spokes	Sapim CX-Ray Aero straight pull
Hubs	(F) DT Swiss 350, 12×100mm centerlock / ® DT Swiss 350, 12×142mm centerlock
Tyres	Vittoria Corsa PRO Control, 700×32c, tubeless ready
Handlebar	Cannondale SystemBar R-One – low drag, full carbon integrated bar/stem, internal routing
Stem	Cannondale SystemBar R-One – low drag, full carbon integrated bar/stem, internal routing
Bar Tape	Fizik Tempo Bondcush Soft, 3mm
Saddle	Fizik Vento Argo R5, 140mm
Seatpost	Cannondale C1 Aero 27 Carbon, SmartSense compatible, 330mm length, 0mm offset (44-48cm), 15mm offset (51-61cm)
Extras	Large StashBag downtube storage bag, Fillmore tubeless valves

Specifications are subject to change without notice

Size Guide

Frame Size	Minimum Height	Maximum Height
44	152cm (5’0”)	162cm (5’4”)
48	157cm (5’2”)	167cm (5’6”)
51	165cm (5’5”)	175cm (5’9”)
54	170cm (5’7”)	180cm (5’11”)
56	175cm (5’9”)	185cm (6’1”)
58	182cm (6’0”)	193cm (6’4”)
61	190cm (6’3”)	1203cm (6’8”)

We have developed our size guide from our selling experience and it may differ from the manufacturers guide. Please note, this is only a guide and if you have any concerns over sizing please get in contact

Geometry

Frame Size	44	48	51	54	56	58	61
A – Seat Tube Length cm	40.7	40.7	44.3	48.0	52.0	55.0	59.0
B – Top Tube Horizontal cm	52.2	53.3	54.4	55.5	56.7	58.0	59.8
C – Top Tube Actual cm	47.8	48.6	49.7	50.9	52.3	53.7	55.6
D – Head Tube Angle	69.8°	70.9°	71.3°	71.3°	71.3°	71.3°	71.3°
E – Seat Tube Angle	73.0°	73.0°	73.0°	73.0°	73.0°	73.0°	73.0°
F – Standover cm	71.4	72.2	75.2	78.5	81.5	84.3	87.8
G – Head Tube Length cm	9.1	10.8	12.7	15.0	17.1	19.6	22.7
H – Wheelbase cm	100.3	100.5	101.3	102.6	104.4	105.8	107.7
I – Front Center cm	58.9	59.2	60.0	61.2	62.4	63.8	65.7
J – Chain Stay Length	42.5	42.5	42.5	42.5	43.0	43.0	43.0
K – Bottom Bracket Drop cm	7.5	7.5	7.5	7.3	7.3	7.0	7.0
L – Bottom Bracket Heigh cm	27.8	27.8	27.8	28.0	28.0	28.3	28.3
M – Fork Rake cm	5.5	5.5	5.5	5.5	5.5	5.5	5.5
N – Trail cm	7.1	6.4	6.1	6.1	6.1	6.1	6.1
0 – Stack cm	51.0	53.0	55.0	57.0	59.0	61.0	64.0
P – Reach cm	36.6	37.1	37.6	38.1	38.7	39.3	40.2
Q – Axle to Crown cm	39.3	39.3	39.3	39.3	39.3	39.3	39.3

Want to compare the size of your current bike to this one? Read our Reach and Stack guide here.