2023 Allebike/MB31 MTB Alpha
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 120mm fork travel, 120mm rear travel, 20% sag
- Features
- Disc brake
Geometry
S | M | L | XL | |
Stack | 579mm | 588mm | 602mm | 620mm |
Reach | 432mm | 456mm | 480mm | 505mm |
Stack to Reach Ratio | 1.34:1 | 1.29:1 | 1.25:1 | 1.23:1 |
Seat Tube Length, C-T | 400mm | 445mm | 483mm | 540mm |
Top Tube Length, Effective/Horizontal Center | 574mm | 600mm | 628mm | 659mm |
Head Tube Angle | 65.5deg | 65.5deg | 65.5deg | 65.5deg |
Effective Seat Tube Angle, Unknown | 76.2deg | 76.2deg | 76.2deg | 76.2deg |
Head Tube Length | 95mm | 105mm | 120mm | 140mm |
Bottom Bracket Drop | 40mm | 40mm | 40mm | 40mm |
Bottom Bracket Height | 330.7mm | 330.7mm | 330.7mm | 330.7mm |
Chainstay Length Horizontal | 438mm | 438mm | 438mm | 438mm |
Front-Center | 733.1mm | 761.1mm | 791mm | 824mm |
Front-Center Horizontal | 732mm | 760mm | 790mm | 823mm |
Wheelbase | 1170mm | 1198mm | 1228mm | 1261mm |
Fork Offset/Rake | 49.5mm | 49.4mm | 49mm | 48.9mm |
Fork Length (Axle-To-Crown) | 531mm | 531mm | 531mm | 531mm |
Trail | 114.6mm very high | 114.7mm very high | 115.1mm very high | 115.3mm very high |
Mechanical Trail | 104.3mm | 104.4mm | 104.7mm | 104.9mm |
Wheel Flop | 43.2mm | 43.3mm | 43.4mm | 43.5mm |
Tire to Pedal Spindle | 192.4mm 170 mm cranks | 220.4mm 170 mm cranks | 250.3mm 170 mm cranks | 283.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 160.7mm 170 mm cranks | 160.7mm 170 mm cranks | 160.7mm 170 mm cranks | 160.7mm 170 mm cranks |
Alpha 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 | 2.35in | 2.35in | 2.35in | 2.35in |
Tire Outer Diameter | 741.4mm | 741.4mm | 741.4mm | 741.4mm |
Bike Length with Tires | 1911.4mm | 1939.4mm | 1969.4mm | 2002.4mm |
Published Sizing Recommendations
Height | 154 cm to 165 cm | 164 cm to 177 cm | 174 cm to 177 cm | 182 cm to 196 cm |
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 Cross-country MTBSource:https://www.allebike.com/sv/produkt/factory-sale/alpha-strl-l--shimano-slx