2021 Marin Bikes Rift Zone 27.5 Base
- Category
- Full-suspension Trail MTB
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Fork
- Steel
- Suspension
- 130mm fork travel
- Features
- Disc brake
Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XS | S | M | L | XL | |
Stack | 579mm | 583.6mm | 588.2mm | 597.3mm | 601.9mm |
Reach | 410mm | 425mm | 445mm | 465mm | 485mm |
Stack to Reach Ratio | 1.41:1 | 1.37:1 | 1.32:1 | 1.28:1 | 1.24:1 |
Seat Tube Length, C-T | 330mm | 380mm | 425mm | 470mm | 515mm |
Top Tube Length, Effective/Horizontal Center | 570.6mm | 586.8mm | 608.1mm | 632.9mm | 651.9mm |
Head Tube Angle | 66.5deg | 66.5deg | 66.5deg | 66.5deg | 66.5deg |
Effective Seat Tube Angle, Unknown | 75deg | 74.7deg | 74.5deg | 74.3deg | 74.1deg |
Head Tube Length | 105mm | 110mm | 120mm | 125mm | 130mm |
Bottom Bracket Drop | 18mm | 18mm | 18mm | 18mm | 18mm |
Bottom Bracket Height | 335mm | 335mm | 335mm | 335mm | 335mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 429.6mm | 429.6mm | 429.6mm | 429.6mm | 429.6mm |
Front-Center | 700mm | 716.9mm | 738.9mm | 762.9mm | 784.9mm |
Front-Center Horizontal | 699.8mm | 716.7mm | 738.7mm | 762.7mm | 784.7mm |
Wheelbase | 1129.4mm | 1146.3mm | 1168.3mm | 1192.3mm | 1214.3mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm | 42mm |
Trail | 107.7mm very high | 107.7mm very high | 107.7mm very high | 107.7mm very high | 107.7mm very high |
Mechanical Trail | 98.7mm | 98.7mm | 98.7mm | 98.7mm | 98.7mm |
Wheel Flop | 39.4mm | 39.4mm | 39.4mm | 39.4mm | 39.4mm |
Standover Height | 647mm | 665mm | 702mm | 727mm | 768mm |
Tire to Pedal Spindle | 177.1mm 170 mm cranks | 193.9mm 170 mm cranks | 210.9mm 175 mm cranks | 234.9mm 175 mm cranks | 256.9mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 165mm 170 mm cranks | 165mm 170 mm cranks | 160mm 175 mm cranks | 160mm 175 mm cranks | 160mm 175 mm cranks |
Base Build
XS | S | M | L | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 705.9mm | 705.9mm | 705.9mm | 705.9mm | 705.9mm |
Bike Length with Tires | 1835.3mm | 1852.2mm | 1874.2mm | 1898.2mm | 1920.2mm |
Crank Length | 170mm | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 780mm | 780mm | 780mm | 780mm | 780mm |
Stem Length | 35mm | 35mm | 35mm | 35mm | 35mm |
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 Trail MTBSource:https://www.marinbikes.com/bikes/2021-rift-zone-275-3