2021 Format 1311 Plus Base
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 150mm fork travel
- Features
- Rim brake
Geometry
M | L | |
Stack | 643mm | 643mm |
Reach | 420mm | 440mm |
Stack to Reach Ratio | 1.53:1 | 1.46:1 |
Seat Tube Length, C-T | 430mm | 460mm |
Top Tube Length, Effective/Horizontal Center | 604mm | 624mm |
Top Tube Slope | 23.1deg | 19.5deg |
Head Tube Angle | 66deg | 66deg |
Seat Tube Angle | 74deg | 74deg |
Head Tube Length | 120mm | 120mm |
Bottom Bracket Drop | 50mm | 50mm |
Bottom Bracket Height | 308mm | 308mm |
Chainstay Length | 428mm | 428mm |
Chainstay Length Horizontal | 425.1mm | 425.1mm |
Front-Center | 741.6mm | 761.6mm |
Front-Center Horizontal | 739.9mm | 759.9mm |
Wheelbase | 1165mm | 1185mm |
Fork Offset/Rake | 51mm | 51mm |
Fork Length (On-Axis) | 552mm | 552mm |
Trail | 103.6mm very high | 103.6mm very high |
Mechanical Trail | 94.6mm | 94.6mm |
Wheel Flop | 38.5mm | 38.5mm |
Tire to Pedal Spindle | 213.6mm 170 mm cranks | 233.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 138mm 170 mm cranks | 138mm 170 mm cranks |
Base Build
M | L | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.6in | 2.6in |
Tire Outer Diameter | 716.1mm | 716.1mm |
Bike Length with Tires | 1881.1mm | 1901.1mm |
Handlebar Width | 760mm | 760mm |
Stem Length | 45mm | 45mm |
Stem Angle | 7deg | 7deg |
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
Hardtail Trail MTBSource:https://format.bike/catalog/mtb/format-1311-plus-2021/