Bike details
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum
-
Wheels 700c
-
Groupset 105, FSA
-
Suspension Rigid
-
Drivetrain 2 × 11
-
Brakes Mechanical Disc
Recommended size guide.
48cm
157cm - 167cm
51cm
165cm - 175cm
54cm
170cm - 180cm
56cm
175cm - 185cm
58cm
182cm - 193cm
61cm
190cm - 203cm
48cm
157cm - 167cm
51cm
165cm - 175cm
54cm
170cm - 180cm
56cm
175cm - 185cm
58cm
182cm - 193cm
61cm
190cm - 203cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
SmartForm C2 Alloy, SAVE, BB30, internal cable routing, flat mount, 130x9mm QR
Suspension Fork
BallisTec Full Carbon, integrated crown race, SAVE, 12x100mm thru-axle, internal routing
Drivetrain
Rear Derailleur
Shimano 105 GS
Front Derailleur
Shimano 105, braze-on
Shift Levers
Shimano 105, 11-speed
Cassette
Shimano 105, 11-34, 11-speed
Crank
FSA Gossamer Alloy, BB30, 50/34
Bottom Bracket
Cannondale BB30
Chain
KMC X11, 11-speed
Pedals
Wellgo w/ Clip and Strap
Wheels
Front Hub
Formula CRX-512, 12x100
Rear Hub
Formula CX-22, QR
Rims
Cannondale RD 2.0 Disc, double wall w/ eyelet, 28h
Spokes
Stainless Steel, 14g
Tires
Vittoria Zaffiro, 700 x 30c
Brakes
Brakes
TRP Spyre-C cable-actuated disc, 160/160mm rotors
Brake Levers
TRP Spyre-C
Cockpit
Stem
Cannondale 3, 6061 Alloy, 31.8, 7°
Handlebar
Cannondale 3, 6061 alloy, Compact
Grips
Cannondale Bar Tape, 3.5mm
Headset
FSA Sealed Bearing, Integrated, 1-1/4"-1-1/8"
Seat
Saddle
Cannondale Stage Ergo
Seatpost
Cannondale 3, 6061 Alloy, 25.4 x 300mm (48-51), 350mm (54-56), 400mm (58-61)
Fit data
Numbers for sizing and ride feel.
| Size | 48cm | 51cm | 54cm | 56cm | 58cm | 61cm | 48cm | 51cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.42 mm | 1.46 mm | 1.48 mm | 1.51 mm | 1.54 mm | 1.58 mm | 1.42 mm | 1.46 mm | 1.48 mm | 1.51 mm | 1.54 mm | 1.58 mm |
| Bottom Bracket Height | 270 mm | 270 mm | 272 mm | 272 mm | 275 mm | 275 mm | 270 mm | 270 mm | 272 mm | 272 mm | 275 mm | 275 mm |
| Front Center | 598 mm | 608 mm | 602 mm | 612 mm | 622 mm | 638 mm | 598 mm | 608 mm | 602 mm | 612 mm | 622 mm | 638 mm |
| Rake | 60 mm | 60 mm | 50 mm | 50 mm | 50 mm | 50 mm | 60 mm | 60 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Trail | 57 mm | 55 mm | 60 mm | 59 mm | 58 mm | 56 mm | 57 mm | 55 mm | 60 mm | 59 mm | 58 mm | 56 mm |
| Stack | 535 mm | 555 mm | 575 mm | 594 mm | 614 mm | 644 mm | 535 mm | 555 mm | 575 mm | 594 mm | 614 mm | 644 mm |
| Reach | 376 mm | 381 mm | 388 mm | 394 mm | 399 mm | 408 mm | 376 mm | 381 mm | 388 mm | 394 mm | 399 mm | 408 mm |
| Top Tube Length | 522 mm | 536 mm | 552 mm | 568 mm | 585 mm | 609 mm | 522 mm | 536 mm | 552 mm | 568 mm | 585 mm | 609 mm |
| Seat Tube Angle | 74.6 ° | 74.3 ° | 73.9 ° | 73.5 ° | 73 ° | 72.5 ° | 74.6 ° | 74.3 ° | 73.9 ° | 73.5 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 422 mm | 443 mm | 480 mm | 520 mm | 550 mm | 590 mm | 422 mm | 443 mm | 480 mm | 520 mm | 550 mm | 590 mm |
| Head Tube Angle | 70.8 ° | 71 ° | 71.9 ° | 72.1 ° | 72.3 ° | 72.5 ° | 70.8 ° | 71 ° | 71.9 ° | 72.1 ° | 72.3 ° | 72.5 ° |
| Head Tube Length | 123 mm | 143 mm | 159 mm | 178 mm | 202 mm | 232 mm | 123 mm | 143 mm | 159 mm | 178 mm | 202 mm | 232 mm |
| Chainstay Length | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm | 418 mm |
| Wheelbase | 1004 mm | 1015 mm | 1009 mm | 1019 mm | 1030 mm | 1046 mm | 1004 mm | 1015 mm | 1009 mm | 1019 mm | 1030 mm | 1046 mm |
| Bottom Bracket Drop | 75 mm | 75 mm | 73 mm | 73 mm | 70 mm | 70 mm | 75 mm | 75 mm | 73 mm | 73 mm | 70 mm | 70 mm |
| Standover Height | 706 mm | 727 mm | 760 mm | 792 mm | 821 mm | 856 mm | 706 mm | 727 mm | 760 mm | 792 mm | 821 mm | 856 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 157 cm | 165 cm | 170 cm | 175 cm | 182 cm | 190 cm | 157 cm | 165 cm | 170 cm | 175 cm | 182 cm | 190 cm |
| Rider Max Height | 167 cm | 175 cm | 180 cm | 185 cm | 193 cm | 203 cm | 167 cm | 175 cm | 180 cm | 185 cm | 193 cm | 203 cm |
Model Overview
Synapse 105 completes the Cannondale Synapse model. 194 bikes variations carry this model name so far. Take a sneak peek at all Cannondale Synapse bikes models from 2021, by clicking here.
Model range prices
The most economical model, the Cannondale Synapse Disc Women’s Sora 2021 has a starting price of 1200$. Cannondale Synapse Carbon Hi-MOD Red eTap AXS 2021 on the other hand is the most expensive at 10000$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Endurance bikes
Our math shows that the average cost of a dependable Endurance bike is 2346$. However, this doesn’t mean that if you spend less money on an Endurance bike, you couldn’t get a decent one. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
When Cannondale released this model in 2021, its price was 1900$. Doing a quick comparison, we notice that Synapse 105 price is 23.47% smaller than the average cost of an Endurance bike.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Synapse 105 components
Fork material
The fork is made out of carbon, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels size
As for the wheels, Cannondale Synapse 105 2021, has a 700c aluminum model. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
When you want to stop the bike in time, the brakes are vital. The Synapse 105 has Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, performance-wise there is room for improvement.
Sizes
There are 12 sizes available for this model. Rider height can be anywhere between 157 cm – 203 cm (5.15 ft – 6.66 ft). In short, you can easily find one that suits you.
