2021 Nukeproof Mega 275 Base
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Suspension
- 160mm fork travel, 170mm rear travel, 30% sag
- Features
- Disc brake
Geometry
SMALL | MEDIUM | LARGE | X-LARGE | XX-LARGE | |
Stack | 591.5mm | 600.5mm | 618.4mm | 627.4mm | 636.4mm |
Reach | 435mm | 460mm | 480mm | 500mm | 520mm |
Stack to Reach Ratio | 1.36:1 | 1.31:1 | 1.29:1 | 1.25:1 | 1.22:1 |
Seat Tube Length, C-T | 380mm | 410mm | 440mm | 470mm | 500mm |
Top Tube Length, Effective/Horizontal Center | 566.1mm | 593.1mm | 611.5mm | 633.4mm | 655.3mm |
Head Tube Angle | 64deg | 64deg | 64deg | 64deg | 64deg |
Effective Seat Tube Angle, ETT HT Top | 77.5deg | 77.5deg | 78deg | 78deg | 78deg |
Seat Tube Exit Angle | 71deg | 71deg | 71.5deg | 71.5deg | 71.5deg |
Head Tube Length | 100mm | 110mm | 130mm | 140mm | 150mm |
Bottom Bracket Drop | 10mm | 10mm | 10mm | 10mm | 10mm |
Bottom Bracket Height | 343mm | 343mm | 343mm | 343mm | 343mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 434.9mm | 434.9mm | 434.9mm | 434.9mm | 434.9mm |
Front-Center | 759.8mm | 789.2mm | 818mm | 842.4mm | 866.8mm |
Front-Center Horizontal | 759.8mm | 789.2mm | 817.9mm | 842.3mm | 866.7mm |
Wheelbase | 1194.7mm | 1224mm | 1252.8mm | 1277.2mm | 1301.6mm |
Fork Offset/Rake | 37mm | 37mm | 37mm | 37mm | 37mm |
Fork Length (Axle-To-Crown) | 562mm | 562mm | 562mm | 562mm | 562mm |
Trail | 131mm very high | 131mm very high | 131mm very high | 131mm very high | 131mm very high |
Mechanical Trail | 117.7mm | 117.7mm | 117.7mm | 117.7mm | 117.7mm |
Wheel Flop | 51.6mm | 51.6mm | 51.6mm | 51.6mm | 51.6mm |
Standover Height | 725.5mm | 724.6mm | 726.2mm | 728.8mm | 733.5mm |
Tire to Pedal Spindle | 236.9mm 170 mm cranks | 266.3mm 170 mm cranks | 295mm 170 mm cranks | 319.4mm 170 mm cranks | 343.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 173mm 170 mm cranks | 173mm 170 mm cranks | 173mm 170 mm cranks | 173mm 170 mm cranks | 173mm 170 mm cranks |
Base Build
SMALL | MEDIUM | LARGE | X-LARGE | XX-LARGE | |
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 | 1900.6mm | 1930mm | 1958.7mm | 1983.1mm | 2007.5mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm |
Handlebar Width | 780mm | 780mm | 800mm | 800mm | 800mm |
Stem Length | 45mm | 45mm | 45mm | 45mm | 45mm |
Stem Angle | 0deg | 0deg | 0deg | 0deg | 0deg |
Published Sizing Recommendations
Height | 159 cm to 169 cm | 167 cm to 177 cm | 175 cm to 185 cm | 183 cm to 193 cm | 191 cm to 201 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 All-mountain/Enduro MTBSource:https://nukeproof.com/products/2021-mega-275-alloy