Topstone Alloy2026
What it can carry
Mount provision and clearance, as Cannondale publishes it.
Builds
As Cannondale lists them. Prices are MSRP at our last check and move around — treat them as a reference point, not a live quote.
| Build | Drivetrain | MSRP |
|---|---|---|
| Topstone 3 | microSHIFT Sword 1x10 | $1,599 |
| Topstone 2 1x | Shimano CUES 1x11 | $2,199 |
| Topstone 1 | Shimano GRX | $2,699 |
Geometry
All figures in millimetres except angles. Effective top tube and seat tube are the two that decide frame bag fit.
| Size | Eff. top tube | Seat tube | Standover | Head tube | Stack | Reach | Chainstay | Wheelbase | BB drop | Head angle | Seat angle |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 533 | 410 | 703 | 86 | 518 | 368 | 435 | 1016 | 75 | 70° | 71.8° |
| S | 544 | 458 | 744 | 115 | 549 | 377 | 435 | 1027 | 75 | 71° | 71.8° |
| M | 557 | 505 | 784 | 147 | 579 | 385 | 435 | 1045 | 75 | 71° | 71.8° |
| L | 572 | 553 | 824 | 180 | 610 | 394 | 435 | 1065 | 75 | 71° | 71.8° |
| XL | 587 | 600 | 864 | 212 | 640 | 402 | 435 | 1083 | 75 | 71° | 71.8° |
Source: https://www.rei.com/product/208190/cannondale-topstone-1-bike — checked 2026-08-16. A dash means Cannondaledoesn't publish that figure; we leave it blank rather than estimate.
Note: Geometry from current REI Topstone Alloy table; seatAngle uses that table’s Seat Tube Angle row.
Find bags that fit
The bag finder can load this bike's published geometry directly — pick Cannondale Topstone Alloy and your size, and it will check every bag in the database against your frame triangle.
Open the Bag Finder