2021 Marin Bikes Alpine Trail 7 M
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 628mm |
| Reach | 455mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 400mm |
| Top Tube Length, Effective/Horizontal Center | 589mm |
| Top Tube Slope | 23.7deg |
| Head Tube Angle | 63.5deg |
| Seat Tube Angle | 78deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 35mm |
| Bottom Bracket Height | 342mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 428.6mm |
| Front-Center | 801.2mm |
| Front-Center Horizontal | 800.4mm |
| Wheelbase | 1229mm |
| Fork Offset/Rake | 44mm |
| Trail | 138.8mm very high |
| Mechanical Trail | 124.2mm |
| Wheel Flop | 55.4mm |
| Standover Height | 716mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 254.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 172mm |
7 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1983.1mm |
| Crank Length | 170mm |
| Handlebar Width | 780mm |
| Stem Length | 35mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.marinbikes.com/bikes/2021-alpine-trail-7