Bike-on-Bike
Default Config
Insights
Very upright stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of BTCHN Bikes Alpina
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Geometry
Stack | 706mm | — |
Reach | 500mm | — |
Stack to Reach Ratio | 1.41:1 | — |
Seat Tube Length, C-T | 430mm | — |
Top Tube Length, Effective/Horizontal HT Top | 689mm | — |
Head Tube Angle | 67deg | — |
Effective Seat Tube Angle, Unknown | 74.5deg | — |
Head Tube Length | 110mm | — |
Bottom Bracket Drop | 92mm | — |
Bottom Bracket Height | 312mm | — |
Chainstay Length | 459mm | — |
Chainstay Length Horizontal | 449.7mm | — |
Front-Center | 824.5mm | — |
Front-Center Horizontal | 819.3mm | — |
Wheelbase | 1269mm | — |
Fork Offset/Rake | 45mm | — |
Trail | 122.6mm very high | — — |
Mechanical Trail | 112.8mm | — |
Wheel Flop | 44.1mm | — |
Standover Height | 863mm | — |
Tire to Pedal Spindle | 250.5mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 142mm 170 mm cranks | — |
Build
Wheel Size | 686mm BSD 686 mm BSD | — — |
Tire Width | 2.4in | — |
Tire Outer Diameter | 807.9mm | — |
Bike Length with Tires | 2076.9mm | — |
| Suspension Type | Hardtail (Front suspension) | — |
| Bar Type | Flat Bar | — |
| Fork Travel | 120mm | — |
| Rear Travel | Unknown | — |
| Suspension Sag | Unknown | — |
| Frame Material | Steel | — |
| Fork Material | Unknown | — |
| Brake Type | Disc | — |
Meta
| Actions | — | |
| Source | https://www.btchnbikes.com/alpina | — |
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