2019 Cannondale Topstone Sora

Cannondale’s 2019 Topstone Sora is a modest component level aluminum frame gravel bike.

View on cannondale.com

2019 Cannondale Topstone Sora
  • MSRP $1,050
  • Frame Aluminum
  • Fork Carbon
  • Wheels 700c Aluminum
  • Drivetrain 2 × 9
  • Groupset 
    Shimano Sora

2 × 9 — 18 speed

2019 Cannondale Topstone Sora
33 mph
Similar Bikes
36 mph

The 2019 Topstone Sora is easier to ride up hills than similar bikes.

The 2019 Topstone Sora won‘t keep up with similar bikes while riding downhill or sprinting.


Oh snap! This frame was drawn from the actual bike geometry measurements. Roll over the table below to highlight frame dimensions.

Stack 518549579610640
Reach 368377385394402
Stack/Reach Ratio1.411.461.501.551.59
Top Tube Length 525544561579596
Seat Tube Length 410458505553600
Seat Tube Angle73.
Head Tube Length 89118149182214
Head Tube Angle70.
BB Drop 7575757575
BB Height 284284284284284
Front Center 593603621641659
Chainstay Length 430430430430430
Wheelbase 1,0111,0221,0401,0601,078
Rake 5555555555
Standover Height 703744784825863
🐐 Measurements listed in millimeters and degrees
FrameTopstone, SmartForm C2 Alloy, 142x12 thru-axle, tapered headtube, flat mount rear brake, internal cable routing
ForkCannondale Topstone Disc, Full Carbon, 1-1/4" to 1-1/8" tapered steerer, 55mm offset, flat mount, 12x100 thru axle
Bottom BracketFSA Cartridge
HeadsetTopstone Si, 25mm Alloy top cap
StemCannondale C4, 6061 Alloy, 31.8, 7°
HandlebarCannondale C3, butted 6061 Alloy, 16 deg flare drop
SaddleCannondale Stage Ergo
SeatpostCannondale C4, 6061 Alloy, 27.2 x 400mm
GripsCannondale Grip Bar Tape w/Gel, 3.5mm
Front DerailleurShimano Sora, 31.8 clamp
Rear DerailleurShimano Sora
ShiftersShimano Sora, 2x9
CrankFSA Tempo Adventure, 46/30
CassetteSunrace, 11-34, 9-speed
ChainKMC Z9, 9-speed
BrakesPromax Decoder R cable actuated disc, 160/160mm
Brake LeversShimano Sora
RimsCX 2.0, 28h
SpokesStainless Steel, 14g
Front HubFormula RX-512 12x100 front, RX-142 12x142 rear
Rear HubFormula RX-512 12x100 front, RX-142 12x142 rear
TiresWTB Nano, 700 x 40c, wire bead
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2019 Cannondale Topstone Sora