| Frame Size | XS | S | M | L | XL |
| Estimated Rider Height | 152cm - 161cm | 161cm - 171cm | 171cm - 180cm | 180cm - 188cm | 188cm - 196cm |
| Specified Rider Height | 150cm - 158cm | 158cm - 170cm | 170cm - 180cm | 180cm - 188cm | 188cm - 199cm |
| Class | Gravel | Gravel | Gravel | Gravel | Gravel |
| Style | rowdy | rowdy | rowdy | rowdy | rowdy |
| Material | aluminum | aluminum | aluminum | aluminum | aluminum |
| Fork | suspension | suspension | suspension | suspension | suspension |
| Handlebar | drop bar | drop bar | drop bar | drop bar | drop bar |
| Suspension Correction | |||||
| Top Tube Effective Length | 547.6568 | 560.9152 | 573.8773 | 585.6902 | 601.3183 |
| Effective Top Tube Length (Est) | 547.6568 | 560.9152 | 573.8773 | 585.6902 | 601.3183 |
| Reach | 380 | 390 | 400 | 405 | 415 |
| Stack | 566 | 577 | 587 | 610 | 629 |
| Standover | |||||
| Head Tube Angle | 70 | 71 | 71 | 72 | 72 |
| Seat Tube Angle | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
| Chainstay Length | 442 | 442 | 442 | 442 | 442 |
| Front Center | 608 | 617 | 632 | 637 | 648 |
| Bottom Bracket Drop | 75 | 75 | 75 | 75 | 75 |
| Trail | 77 | 70 | 70 | 64 | 64 |
| Trail 45 | 75 | 69 | 69 | 62 | 62 |
| UDH | NO/Unknown | NO/Unknown | NO/Unknown | NO/Unknown | NO/Unknown |
| Tire Width Max 700c | 50 | 50 | 50 | 50 | 50 |
| Tire Width Max 650b | 0 | 0 | 0 | 0 | 0 |
| Axle Spacing | 142 (road) | 142 (road) | 142 (road) | 142 (road) | 142 (road) |
| Stealth Dropper | NO/Unknown | NO/Unknown | NO/Unknown | NO/Unknown | NO/Unknown |
| Seatpost Diameter | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 |
| Max Chainring 1x | |||||
| Dropout | fixed | fixed | fixed | fixed | fixed |
| Internal Storage | |||||
| Frame Weight | |||||
| Base Build USD | $3086 | $3086 | $3086 | $3086 | $3086 |
| Frameset USD | |||||
| Location | Heerenveen, Netherlands | Heerenveen, Netherlands | Heerenveen, Netherlands | Heerenveen, Netherlands | Heerenveen, Netherlands |
Koga Colmaro Extreme 2025
Brand: Koga
Model: Colmaro Extreme
Year: 2025
Category: Gravel
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