Norco Threshold A3 geometry
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Size 54
Render
Align
Geometry
| Size | 48 | 51 | 54 | 57 | 60 |
|---|---|---|---|---|---|
| Stack mm | 555 | 567 | 585 | 603 | 624 |
| Reach mm | 366 | 370 | 377 | 386 | 393 |
| Head tube angle ° | 70.5 | 71.0 | 71.5 | 72.0 | 72.5 |
| Seat tube angle ° | 75.0 | 74.0 | 73.5 | 73.0 | 72.5 |
| Head tube length mm | 120 | 130 | 150 | 170 | 190 |
| Seat tube mm | 480 | 510 | 540 | 570 | 600 |
| Chainstay mm | 430 | 430 | 430 | 430 | 430 |
| BB drop mm | 72.5 | 72.5 | 70 | 67.5 | 67.5 |
| Stack to reach | 1.52 | 1.53 | 1.55 | 1.56 | 1.59 |
| Effective top tube mmi | 515 | 533 | 550 | 570 | 590 |
Size54key specs
Stack-to-reach (size 54)1.55More relaxed (taller and shorter) than 88% of gravel frames in the database at comparable sizes.
Closest geometry matches (size 54)
Matched by stack, reach and head tube angle.
More from Norco
Nearest size to the Threshold A3 54.