Road endurance
J.Laverack R J.ACK Disc Classic
2024 · 700c wheels · 8 sizes
Titanium disc road frameset in J.Laverack's Classic geometry, the more upright, long-ride option alongside the Race geometry of the same R J.ACK Disc. The Classic version uses its own ÆRA Road Disc Classic fork (45 mm rake, 375 mm axle to crown) and clears 32 mm tyres, or 28 mm with mudguards. Figures are for the frameset as sold; J.Laverack publishes only typical stem, bar and crank sizes rather than a fixed build.
Source: www.jlaverack.co.uk/r-jack-disc-titanium-frameset/
I ride:
Size run
Published geometry by size. How each size rides and fits for your rider profile loads with the page.
| Size | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 |
|---|---|---|---|---|---|---|---|---|
| Stack (mm) | 510 | 521 | 541 | 560 | 570 | 586 | 600 | 612 |
| Reach (mm) | 358 | 364 | 370 | 376 | 382 | 388 | 394 | 400 |
| Head angle (°) | 70.5 | 71.0 | 71.5 | 71.5 | 71.5 | 72.0 | 72.0 | 72.5 |
| Seat angle (°) | 73.0 | 73.0 | 73.0 | 73.0 | 73.0 | 73.0 | 73.0 | 73.0 |