2025 Kona Dew vs 2026 Specialized Sirrus X 1.0
The XL is the Specialized Sirrus X 1.0 size closest to your XL Kona Dew. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Sirrus X 1.0
Compared with the Kona Dew in XL, the Specialized Sirrus X 1.0 in XL places the top of the head tube 49 mm lower and 51 mm further back, relative to the bottom bracket. Its wheelbase is 89 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −49 mm
- Lower front end
- Frame reach
- −51 mm
- Shorter frame reach
- Wheelbase
- −89 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
Kona Dew, XLSpecialized Sirrus X 1.0, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Kona Dew XL | Specialized Sirrus X 1.0 XL | Difference |
|---|---|---|---|
| Reach | 465 | 414mm | −51 mm |
| Stack | 682 | 633mm | −49 mm |
| Head tube angle | 70.0° | 71° | +1.0° |
| Seat tube angle | 72.0° | 73.5° | +1.5° |
| Effective top tube | 686 | 602mm | −84 mm |
| Chainstay length | 450 | 440mm | −10 mm |
| Wheelbase | 1185 | 1096mm | −89 mm |
| BB drop | 70 | 70mm | ±0 mm |
| BB height | 272 | 288mm | +16 mm |
| Standover | 798 | 837mm | +39 mm |
| Seat tube length | 580 | 530mm | −50 mm |
| Fork length | 410 | 395mm | −15 mm |
| Head tube length | 255 | 217mm | −38 mm |
Differences are the Specialized Sirrus X 1.0 minus the Kona Dew. Full charts: 2025 Kona Dew, 2026 Specialized Sirrus X 1.0.
Where each sits in its class
Kona DewSpecialized Sirrus X 1.0
Each bike is ranked against the other commuter bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Kona DewDew | Specialized Sirrus X 1.01.0 |
|---|---|---|
| Frame | Kona 6061 | not listed |
| Fork | Kona Project Two | not listed |
| Shifter | Shimano Altus | Shimano Altus SL-M315-7R |
| Derailleur | Shimano ESSA U2000 | Shimano Acera |
| Cassette | Shimano HG400 | microSHIFT CS-H074 |
| Chain | KMC Z8.3 | KMC X8 |
| Crankset | Shimano ESSA | Prowheel XXS |
| Pedals | Feimin Platform | not listed |
| Tire | WTB Horizon Comp | Specialized Pathfinder Wirebead Fast Gravel |
| Brake | Tektro HD-M275 | Specialized Lee Chi |
| Rotor | Tektro TR160 | not listed |
| Handlebar | Kona Riser | not listed |
| Stem | Kona Control | not listed |
| Grips | Kona Key | Specialized Neutralizer |
| Headset | Feimin FP-H863 | not listed |
| Seatpost | Kona Commuter | not listed |
| Saddle | Kona Commuter | Specialized Bridge Sport |
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