Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Gearing
2019 Cannondale Synapse Disc 105 has a 6% lower climbing ratio than 2018 Cannondale Synapse Disc 105.
A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.
Selected-size geometry
Geometry overlay
Frames share one scale and a bottom-bracket alignment. Size labels differ by brand; schematic drawing aids are identified below.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest1.00:1Highest4.55:1Total range455%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 700C×28.
Lowest1.06:1Highest4.55:1Total range428%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 700C×28.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
2019 Cannondale Synapse Disc 105
2018 Cannondale Synapse Disc 105
Overview
Model Year
2019
2018
Brand
Cannondale
Cannondale
Model
Synapse Disc 105
Synapse Disc 105
Bicycle Type
Road
Road
Colors
Black Pearl w/ Fine Silver and Charcoal - Gloss (BPL)
Jet Black w/ Anthracite, Hazard Orange, Acid Red and Oxblood - Satin (BBQ)
Sizes
48, 51, 54, 56, 58, 61
48, 51, 54, 56, 58, 61
Weight
—
—
Frameset
Frame Construction
Synapse Disc Asymmetric, SmartForm C2 Alloy, SAVE, BB30, flat mount
NEW Synapse Disc, SmartForm C2 Alloy, SAVE PLUS, BB30, flat mount
Frame Material
Aluminum
Aluminum
Fork
Synapse Disc Asymmetric, SAVE, Full Carbon, 1-1/8” - 1 1/4” tapered steerer, flat mount, 55mm rake, 12x100 thru axle
NEW Synapse SAVE Disc Asymmetric, Carbon blades, 1-1/8” - 1 1/4” Tapered Steerer, flat mount, 50mm rake (48, 51), 60mm rake (54-61)
Fork Material
Carbon
Carbon
Drivetrain
Shifters
Shimano 105, 2x11
Shimano 105
Front Derailleur
Shimano 105, braze-on
Shimano 105, braze-on
Rear Derailleur
Shimano 105 GS
Shimano 105 GS
Crankset
FSA Gossamer Alloy, BB30, 50/34
FSA Gossamer, BB30, 50/34
Bottom Bracket
Cannondale BB30
FSA BB30
Rear Cogs
Shimano 105, 11-34, 11-speed
Shimano 105, 11-32, 11-speed
Chain
KMC X11, 11-speed
KMC X11EL, 11-speed
Pedals
Wellgo w/ Clip and Strap
Wellgo w/ Clip and Strap
Brakes
Brakes
Tektro Spyre-C cable actuated disc, 160/160mm
TRP Spyre C cable disc, 160/160mm
Cockpit & Contact Points
Headset
FSA Integrated, 1-1/4” lower bearing, 25mm top cap
FSA Integrated, 1-1/4" lower bearing, 25mm top cap
Handlebar
Cannondale C3, 6061 Alloy, Compact
Cannondale C3 Compact, butted 6061 Alloy
Stem
Cannondale C3, 6061 Alloy, 31.8, 7°
Cannondale C3, 6061 Alloy, 31.8, 6 deg.
Saddle
Cannondale Stage Ergo
Cannondale Stage Ergo
Seatpost
Cannondale C3, 6061 Alloy, 25.4 x 350mm (44-56), 400mm (58-61)
Cannondale C3, 6061 Alloy, 25.4x350mm (48-56), 400mm (58-61)
Wheels & Tires
Hubs
Formula RX-512 12x100 front, CX-22 QR rear
Formula CX-20 Front, CX-22 Rear
Rims
RD 2.0, 24h front, 28h rear
RD 2.0 Disc, 28-hole
Spokes
Stainless Steel, 14g
Stainless Steel, 14g
Front Tire
Vittoria Zaffiro, 700 x 28c
Vittoria Zaffiro 700x28c
Rear Tire
Vittoria Zaffiro, 700 x 28c
Vittoria Zaffiro 700x28c
Wheel Size
700c
700c
Geometry · choose a size for each bicycle
Geometry size
Reach
383 mm
383 mm
Stack
570 mm
570 mm
Effective top tube
547 mm
547 mm
Head-tube angle
71.9°
71.9°
Seat-tube angle
73.9°
73.9°
Seat tube
480 mm
480 mm
Head tube
159 mm
159 mm
Chainstay / rear center
413 mm
413 mm
Wheelbase
1004 mm
1004 mm
Bottom-bracket drop
73 mm
73 mm
Bottom-bracket height
272 mm
272 mm
Standover height
755 mm
755 mm
Fork offset / rake
50 mm
50 mm
Front center
602 mm
602 mm
Trail
60 mm
60 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.