Radon Spire geometry
Loading 3D view…
auto
Size L
Render
Align
Geometry
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Stack mm | 508 | 523 | 542 | 563 | 588 |
| Reach mm | 379 | 384 | 388 | 397 | 406 |
| Head tube angle ° | 71.5 | 72.5 | 73.0 | 73.5 | 73.5 |
| Seat tube angle ° | 75.0 | 74.0 | 73.5 | 73.2 | 73.0 |
| Head tube length mm | 110 | 120 | 140 | 160 | 180 |
| Seat tube mm | 460 | 490 | 510 | 530 | 560 |
| Chainstay mm | 408 | 408 | 408 | 408 | 408 |
| BB drop mm | 69 | 69 | 69 | 69 | 69 |
| Stack to reach | 1.34 | 1.36 | 1.40 | 1.42 | 1.45 |
| Effective top tube mmi | 515 | 534 | 549 | 567 | 586 |
SizeLkey specs
Stack-to-reach (size L)1.42More aggressive (lower and longer) than 82% of road frames in the database at comparable sizes.
Closest geometry matches (size L)
Matched by stack, reach and head tube angle.
More from Radon
Nearest size to the Spire L.