2026 Forbidden Puritan Framekit vs 2025 Salsa Tributary C
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Salsa Tributary C
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- −30 mm
- Shorter: quicker to change direction
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Forbidden Puritan Framekit numbers we have for size S4 are missing the reach and chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Forbidden Puritan Framekit S4 | Salsa Tributary C M | Difference |
|---|---|---|---|
| Reach | not listed | 417.6 | |
| Stack | 635 | 624.8 | −10 mm |
| Head tube angle | 67.75 | 67.0 | −0.8° |
| Seat tube angle | 73.3 | 75.0 | +1.7° |
| Effective top tube | 642 | 585 | −57 mm |
| Wheelbase | 1178 | 1148.0 | −30 mm |
| BB drop | 71 | 70 | −1 mm |
| BB height | 293 | 303 | +10 mm |
| Standover | 786 | 775.0 | −11 mm |
| Seat tube length | 540 | 460 | −80 mm |
| Fork length | 460 | 498.4 | +38 mm |
| Head tube length | 155 | 125 | −30 mm |
| Chainstay length | not listed | 445 |
Differences are the Salsa Tributary C minus the Forbidden Puritan Framekit. Full charts: 2026 Forbidden Puritan Framekit, 2025 Salsa Tributary C.
Where each sits in its class
Forbidden Puritan FramekitSalsa Tributary C
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
Each bike is ranked against the other gravel bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Forbidden Puritan FramekitFramekit | Salsa Tributary CC GRX 820 |
|---|---|---|
| Frame | Forbidden Puritan | Salsa Tributary |
| Fork | RockShox Rudy | not listed |
| Shifter | not listed | Shimano GRX RX820 |
| Derailleur | not listed | Shimano GRX RX822 |
| Cassette | not listed | Shimano Deore M6100 |
| Chain | not listed | Shimano Deore M6100 |
| Crankset | not listed | FSA CK-762 |
| Motor | not listed | Bosch Performance Line Speed |
| Battery | not listed | Bosch Powertube |
| Tire | not listed | Teravail Ehline |
| Rim | not listed | WTB ST i27 |
| Brake | not listed | Shimano GRX RX820 |
| Rotor | not listed | Shimano SM-RT64 |
| Handlebar | not listed | Salsa Cowchipper |
| Stem | not listed | Salsa Guide Trail |
| Saddle | not listed | WTB SL8 |
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