Cannondale Topstone Frame
What the checker says177will not fit17check before you buy124worth knowing
Run variant by variant through the gravel bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.
Checked against 807 verified gravel bike parts in this catalog. 592 produced no finding of any kind; that is Topstone Carbon 4 (2024). Topstone 1 (2024) clears 581. Each variant produces 88 to 89 distinct errors and 5 to 12 distinct warnings.
Will not fit
- Will not fiterror · Front TireUnsupported wheel size: Cannondale Topstone 1 supports 700c, but this build is 650b. On 30 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear TireUnsupported wheel size: Cannondale Topstone 1 supports 700c, but this build is 650b. On 30 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear WheelUnsupported wheel size: Cannondale Topstone 1 supports 700c, but this build is 650b. On 12 of the 71 verified rear wheels in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Front WheelUnsupported wheel size: Cannondale Topstone 1 supports 700c, but this build is 650b. On 9 of the 58 verified front wheels in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Dropper PostDropper too big: Cannondale Topstone 1's seat tube is 27.2mm but Wolf Tooth Resolve is 30.9mm - a bigger post cannot fit a smaller tube. On 4 of the 40 verified dropper posts in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Dropper PostDropper too big: Cannondale Topstone 1's seat tube is 27.2mm but Wolf Tooth Resolve is 31.6mm - a bigger post cannot fit a smaller tube. On 4 of the 40 verified dropper posts in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Dropper PostDropper too big: Cannondale Topstone Carbon 4's seat tube is 27.2mm but Wolf Tooth Resolve is 30.9mm - a bigger post cannot fit a smaller tube. On 4 of the 40 verified dropper posts in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Dropper PostDropper too big: Cannondale Topstone Carbon 4's seat tube is 27.2mm but Wolf Tooth Resolve is 31.6mm - a bigger post cannot fit a smaller tube. On 4 of the 40 verified dropper posts in this catalog. Applies to 1 of 2 variants.
Rg bb shell, Bottom Bracket. 53 more findings from the same check, on up to 1 of the 30 verified bottom brackets each.
Rg seatpost, Dropper Post. 30 more findings from the same check, on up to 1 of the 40 verified dropper posts each.
Rg seatpost, Seatpost. 30 more findings from the same check, on up to 1 of the 33 verified seatposts each.
Rg brake mount, Rear Caliper. 22 more findings from the same check, on up to 1 of the 27 verified calipers each.
Rg fd mount, Front Derailleur. 22 more findings from the same check, on up to 1 of the 11 verified front derailleurs each.
Rg steerer, Fork. 8 more findings from the same check, on up to 1 of the 31 verified forks each.
Rg rear axle, Rear Wheel. 4 more findings from the same check, on up to 2 of the 71 verified rear wheels each.
Open a variant in the builder to see the ones that apply to your own parts.
Check before you buy
- Check before you buywarning · Rear TireTire clearance: 45mm tire is wider than Cannondale Topstone Carbon 4's 40mm frame max. On 15 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 50mm tire is wider than Cannondale Topstone 1's 45mm frame max. On 11 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 50mm tire is wider than Cannondale Topstone Carbon 4's 40mm frame max. On 11 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 42mm tire is wider than Cannondale Topstone Carbon 4's 40mm frame max. On 7 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 44mm tire is wider than Cannondale Topstone Carbon 4's 40mm frame max. On 5 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 50mm tire is wider than Cannondale Topstone Carbon 4's 48mm frame max. On 4 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 55mm tire is wider than Cannondale Topstone 1's 45mm frame max. On 4 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 55mm tire is wider than Cannondale Topstone Carbon 4's 40mm frame max. On 4 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
Rg tire clearance, Rear Tire. 9 more findings from the same check, on up to 3 of the 142 verified tires each.
Open a variant in the builder to see the ones that apply to your own parts.
Worth knowing
Rg bb advisory, Crankset. 66 more findings from the same check, on up to 1 of the 33 verified cranksets each.
Rg headset advisory, Fork. 52 more findings from the same check, on up to 2 of the 31 verified forks each.
Rg xplr udh, Rear Derailleur. 6 more findings from the same check, on up to 1 of the 20 verified rear derailleurs each.
Open a variant in the builder to see the ones that apply to your own parts.
$1,350.00 to $2,500.00 MSRP·1150 to 1650 g
What the maker states
- Rear axle
- 12x142
- Bottom bracket
- Bottom-bracket shell bb30a (on 1 of 2 variants); Bottom-bracket shell bsa-road (on 1 of 2 variants)
- Seatpost
- Takes a 27.2 mm seatpost
- Brake system
- Disc-flat
- Brake mount
- Flat-mount
- Steerer
- Tapered (1.5-1.125)
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
2 verified variants
| Variant | Bottom bracket | Wheel sizes | Maximum tire by wheel | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|---|---|
| Topstone Carbon 4 (2024) | Bottom-bracket shell bb30a | Built for 700c and 650b wheels | Tire up to 40 mm on 700c and 48 mm on 650b (maker-stated maximum) | $2,500.00 | 1150 g | maker’s page | 2026-07-21 | Build with this |
| Topstone 1 (2024) | Bottom-bracket shell bsa-road | Built for 700c wheels | Tire up to 45 mm on 700c (maker-stated maximum) | $1,350.00 | 1650 g | maker’s page | 2026-07-21 | Build with this |
The rest of what the maker states5 stated·16 not published
- Front-derailleur mount none.
- Sold as a frameset, not a bare frame.
- Built for 700c and 650b wheels (on 1 of 2 variants); Built for 700c wheels (on 1 of 2 variants).
- Tire up to 40 mm on 700c and 48 mm on 650b (maker-stated maximum) (on 1 of 2 variants); Tire up to 45 mm on 700c (maker-stated maximum) (on 1 of 2 variants).
- alloy construction (on 1 of 2 variants).
16 further fields the checker looks for are not published by Cannondale, so we leave them blank rather than estimate them, and those 16 checks stay silent on this frame. They are maximum tire basis, maximum rear rotor, minimum rear rotor, head tube upper, head tube lower, headset included, headset included model, headset included part, maximum fork travel, minimum fork travel, design fork travel, fork travel hard, dropout type, udh, drive mode and gearbox mount. Each is recorded as “not stated by the maker (not checked)”.
Source: each variant links the maker’s own page in the table above. Last checked 2026-07-21.
Checked against
The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.
- 3T Fango LTD (Fork) Worth knowing
- 8bar Gravel Carbon Disc Fork v2 (Fork) Worth knowing
- 9point8 Fall Line R (Dropper Post) Will not fit
- Acros ZS44/28.6 | EC44/40 Headset (Headset) No conflicts found
- BikeYoke Divine SL Rascal (Dropper Post) Will not fit
- BMC URS 01 D-Shaped Seatpost (Seatpost) Will not fit
6 of 455 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.