2021 Marin Bikes Alpine Trail xr
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Features
- Disc brake
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 619mm | 628mm | 632mm | 643mm |
Reach | 430mm | 455mm | 480mm | 515mm |
Stack to Reach Ratio | 1.44:1 | 1.38:1 | 1.32:1 | 1.25:1 |
Seat Tube Length, Unknown | 390mm | 400mm | 425mm | 430mm |
Top Tube Length, Actual C-C | 561.7mm | 589mm | 615mm | 652mm |
Top Tube Slope | 24.9deg | 23.7deg | 20.8deg | 20.2deg |
Head Tube Angle | 63.5deg | 63.5deg | 63.5deg | 63.5deg |
Seat Tube Angle | 78deg | 78deg | 78deg | 78deg |
Head Tube Length | 100mm | 110mm | 115mm | 130mm |
Bottom Bracket Drop | -33863mm | -33863mm | -33863mm | -33863mm |
Bottom Bracket Height | 34235mm | 34235mm | 34235mm | 34235mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm |
Wheelbase | 1199mm | 1229mm | 1256mm | 1297mm |
Trail | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — |
Wheel Flop | — | — | — | — |
Standover Height | 714mm | 716mm | 732mm | 734mm |
Pedal Spindle to Ground Clearance | 34065mm 170 mm cranks | 34065mm 170 mm cranks | 34065mm 170 mm cranks | 34065mm 170 mm cranks |
xr Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 743.9mm | 743.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1942.9mm | 1972.9mm | 1999.9mm | 2040.9mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension All-mountain/Enduro MTBSource:https://www.vitalmtb.com/product/guide/Bikes,3/Marin/Alpine-Trail-XR,31549