Cannondale Jekyll 2025 geometry
Size chart for fitting. If this bike already feels right, find others with a similar riding position (size L). Category: mtb-enduro.
| Size | Stack | Reach | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop |
|---|---|---|---|---|---|---|---|
| L | 636 mm | 490 mm | 64.0° | 77.5° | 440 mm | 1274 mm | 28 mm |
| M | 627 mm | 465 mm | 64.0° | 77.5° | 440 mm | 1247 mm | 28 mm |
| S | 618 mm | 440 mm | 64.0° | 77.5° | 440 mm | 1220 mm | 28 mm |
| XL | 645 mm | 515 mm | 64.0° | 77.5° | 440 mm | 1301 mm | 28 mm |
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Size guidance
Stack and reach describe the frame's cockpit envelope better than traditional seat-tube sizing. If you know your preferred stack/reach from a bike that already fits, search within a few millimeters first, then check head angle and chainstay for handling feel. See the glossary for stack, reach, and HTA.