Norco Threshold (carbon / alloy) geometry
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Size 55.5
Render
Align
Geometry
| Size | 48 | 50.5 | 53 | 55.5 | 58 | 60.5 |
|---|---|---|---|---|---|---|
| Stack mm | 523 | 537 | 553 | 570 | 588 | 608 |
| Reach mm | 370 | 374 | 379 | 386 | 395 | 404 |
| Head tube angle ° | 70.0 | 70.5 | 71.25 | 72.0 | 72.25 | 72.5 |
| Seat tube angle ° | 75.0 | 74.5 | 74.0 | 73.5 | 73.25 | 73.0 |
| Head tube length mm | 105 | 117.5 | 130 | 145 | 165 | 185 |
| Seat tube mm | 480 | 505 | 530 | 555 | 580 | 605 |
| Chainstay mm | 420 | 420 | 422.5 | 422.5 | 425 | 425 |
| BB drop mm | 70 | 70 | 70 | 70 | 68.5 | 68.5 |
| Fork rake mm | 51 | 51 | 48 | 48 | 48 | 48 |
| Stack to reach | 1.41 | 1.44 | 1.46 | 1.48 | 1.49 | 1.50 |
| Effective top tube mmi | 510 | 523 | 538 | 555 | 572 | 590 |
| Wheelbase mmi | 1003 | 1008 | 1010 | 1016 | 1031 | 1044 |
Size55.5key specs
Stack-to-reach (size 55.5)1.48More aggressive (lower and longer) than 61% of gravel frames in the database at comparable sizes.
Closest geometry matches (size 55.5)
Matched by stack, reach and head tube angle.
More from Norco
Nearest size to the Threshold 55.5.