2021 Cannondale Bad Boy vs 2019 Cannondale Quick Disc
The XL is the Cannondale Quick Disc size closest to your M Cannondale Bad Boy. 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 Cannondale Quick Disc
Compared with the Cannondale Bad Boy in M, the Cannondale Quick Disc in XL places the top of the head tube 8 mm higher and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 33 mm longer, which can contribute to stability at speed.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- +33 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Cannondale Bad Boy, MCannondale Quick Disc, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale Bad Boy M | Cannondale Quick Disc XL | Difference |
|---|---|---|---|
| Reach | 409 | 412 | +3 mm |
| Stack | 618 | 626 | +8 mm |
| Head tube angle | 70 | 70 | ±0.0° |
| Seat tube angle | 73.5 | 73 | −0.5° |
| Effective top tube | 592 | 603 | +11 mm |
| Chainstay length | 435 | 435 | ±0 mm |
| Wheelbase | 1070 | 1103 | +33 mm |
| BB drop | 53 | 68 | +15 mm |
| BB height | 280 | 277 | −3 mm |
| Standover | 792 | 812 | +20 mm |
| Seat tube length | 490 | 550 | +60 mm |
| Head tube length | 160 | 211 | +51 mm |
Differences are the Cannondale Quick Disc minus the Cannondale Bad Boy. Full charts: 2021 Cannondale Bad Boy, 2019 Cannondale Quick Disc.
Where each sits in its class
Cannondale Bad BoyCannondale Quick Disc
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 | Cannondale Bad Boy1 | Cannondale Quick DiscDisc 1 |
|---|---|---|
| Frame | Cannondale Bad Boy OPI | not listed |
| Fork | Lefty LightPipe | not listed |
| Shifter | Shimano Alfine | Shimano RS700 FB |
| Cassette | Gates CDX | Shimano 105 |
| Chain | Gates CDX Centertrack | Shimano HG601 |
| Crankset | Gates S150 | FSA Omega |
| Bottom bracket | Thun Zumba | not listed |
| Tire | WTB Byway | Schwalbe Spicer |
| Brake | Shimano MT400 hydro, Shimano MT401 | Shimano MT201 hydro |
| Stem | Bad Boy Si | Cannondale C3 |
| Grips | Fabric Silicone Cell | Cannondale Density |
| Seatpost | LightSkin | Cannondale C3 |
| Saddle | Fabric Scoop Radius Elite | Cannondale Performance |
| Derailleur | not listed | Shimano 105, Shimano 105 GS |
| Pedals | not listed | Cannondale Reinforced |
| Rim | not listed | DC3.0 |
| Handlebar | not listed | Cannondale C3 |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



