| Frame Size | S | M | L | XL |
| Estimated Rider Height | 154cm - 167cm | 167cm - 178cm | 178cm - 186cm | 186cm - 197cm |
| Specified Rider Height | ||||
| Class | Gravel | Gravel | Gravel | Gravel |
| Style | rowdy | rowdy | rowdy | rowdy |
| Material | carbon | carbon | carbon | carbon |
| Fork | rigid | rigid | rigid | rigid |
| Handlebar | drop bar | drop bar | drop bar | drop bar |
| Suspension Correction | 0 mm | 0 mm | 0 mm | 0 mm |
| Top Tube Effective Length | 535.21 | 562.36 | 590.03 | 613.93 |
| Effective Top Tube Length (Est) | 535.1901 | 562.6212 | 590.0652 | 611.8520 |
| Reach | 374.13 | 394.11 | 414.10 | 429.07 |
| Stack | 540.61 | 565.62 | 590.64 | 620.64 |
| Standover | ||||
| Head Tube Angle | 69.41 | 69.40 | 69.39 | 69.38 |
| Seat Tube Angle | 73.41 | 73.41 | 73.41 | 73.59 |
| Chainstay Length | 435 | 435 | 435 | 435 |
| Front Center | 599 | 628 | 657 | 684 |
| Bottom Bracket Drop | 70.97 | 70.99 | 71.10 | 71.02 |
| Trail | 86 | 86 | 87 | 87 |
| Trail 45 | 86 | 86 | 86 | 86 |
| UDH | NO/Unknown | NO/Unknown | NO/Unknown | NO/Unknown |
| Tire Width Max 700c | 47 | 47 | 47 | 47 |
| Tire Width Max 650b | 1.9 | 1.9 | 1.9 | 1.9 |
| Axle Spacing | ||||
| Stealth Dropper | YES | YES | YES | YES |
| Seatpost Diameter | ||||
| Max Chainring 1x | ||||
| Dropout | fixed | fixed | fixed | fixed |
| Internal Storage | ||||
| Frame Weight | ||||
| Base Build USD | ||||
| Frameset USD | ||||
| Location | Dublin, Ireland | Dublin, Ireland | Dublin, Ireland | Dublin, Ireland |
Fiftyone Assassin long-low 2025
Brand: Fiftyone
Model: Assassin long-low
Year: 2025
Category: Gravel
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