2026 BTCHN Bikes Alpina 32 M
Build
686mm BSD × 2.4 in
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
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 696mm |
| Reach | 450mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal HT Top | 635mm |
| Head Tube Angle | 67deg |
| Effective Seat Tube Angle, Unknown | 75deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 92mm |
| Bottom Bracket Height | 312mm |
| Chainstay Length | 439mm |
| Chainstay Length Horizontal | 429.3mm |
| Front-Center | 770.3mm |
| Front-Center Horizontal | 764.8mm |
| Wheelbase | 1194mm |
| Fork Offset/Rake | 45mm |
| Trail | 122.6mm very high |
| Mechanical Trail | 112.8mm |
| Wheel Flop | 44.1mm |
| Standover Height | 844mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 196.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 142mm |
32 Build
| Wheel Size | 686mm BSD |
| Tire Width | 2.4in |
| Tire Outer Diameter | 807.9mm |
| Bike Length with Tires | 2001.9mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.btchnbikes.com/alpina