Felt B Series geometry
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Size 51
Render
Align
Geometry
| Size | 47 | 51 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Stack mm | 468 | 521 | 535 | 554 | 573 | 602 |
| Reach mm | 375 | 388 | 405 | 420 | 436 | 444 |
| Head tube angle ° | 71.0 | 72.5 | 73.0 | 73.0 | 73.0 | 73.0 |
| Seat tube angle ° | 76.5 | 76.0 | 76.0 | 76.0 | 76.0 | 76.0 |
| Head tube length mm | 115 | 115 | 127 | 147 | 167 | 198 |
| Seat tube mm | 470 | 510 | 540 | 560 | 580 | 610 |
| Chainstay mm | 375 | 395 | 395 | 395 | 395 | 395 |
| BB drop mm | 45 | 70 | 70 | 70 | 70 | 70 |
| Fork rake mm | 40 | 40 | 40 | 40 | 40 | 40 |
| Stack to reach | 1.25 | 1.34 | 1.32 | 1.32 | 1.31 | 1.36 |
| Effective top tube mmi | 487 | 518 | 538 | 558 | 579 | 594 |
| Wheelbase mmi | 935 | 961 | 978 | 999 | 1020 | 1037 |
Size51key specs
Stack-to-reach (size 51)1.34More relaxed (taller and shorter) than 92% of TT and tri frames in the database at comparable sizes.
Closest geometry matches (size 51)
Matched by stack, reach and head tube angle.