Road endurance
Ridley Grifn A
2026 · 700c wheels · 6 sizes
Aluminium all-road frame sold as the Grifn A Road, Grifn A Gravel and the custom INVENIO Grifn A, all sharing the same geometry. Clearance is up to 38 mm tyres with a double chainset or 40 mm with a single chainring (34 mm with mudguards). Ridley does not publish a fork offset or trail figure for this frame. Ridley does not publish fork offset or trail for this bike. The offset used here (46 to 48 mm) is worked out from Ridley's own stack, reach, head angle, bottom bracket drop, chainstay and wheelbase, which pins it to within a millimetre or two, but it is not a published figure.
Source: downloads.cyclingfactory.be/GRIFNA7E8ROAD_frame_passport.pdf
Size run
Published geometry by size. How each size rides and fits for your rider profile loads with the page.
| Size | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Stack (mm) | 515 | 530 | 553 | 577 | 603 | 622 |
| Reach (mm) | 372 | 379 | 386 | 394 | 406 | 414 |
| Head angle (°) | 71.5 | 71.5 | 72.0 | 72.0 | 72.0 | 72.0 |
| Seat angle (°) | 74.5 | 74.5 | 74.0 | 73.5 | 73.5 | 73.0 |