2021 Mongoose Bicycles Grendel Base
- Category
- Off-road Touring
- Design
- Drop Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 100mm fork travel
- Features
- Disc brake
Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Very upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 625mm | 649mm | 672mm | 672mm |
Reach | 365mm | 378mm | 387mm | 387mm |
Stack to Reach Ratio | 1.71:1 | 1.72:1 | 1.74:1 | 1.74:1 |
Seat Tube Length, C-T | 406mm | 480mm | 530mm | 530mm |
Top Tube Length, Effective/Horizontal HT Top | 545mm | 565mm | 580mm | 580mm |
Top Tube Slope | 26.2deg | 20.2deg | 17deg | 17deg |
Head Tube Angle | 69.5deg | 69.5deg | 69.5deg | 69.5deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 90mm | 115mm | 140mm | 140mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 296.9mm | 296.9mm | 296.9mm | 296.9mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 439.5mm | 439.5mm | 439.5mm | 439.5mm |
Front-Center | 624.5mm | 646.3mm | 663.2mm | 663.2mm |
Front-Center Horizontal | 620.5mm | 642.5mm | 659.5mm | 659.5mm |
Wheelbase | 1060mm | 1082mm | 1099mm | 1099mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm |
Trail | 89.1mm very high | 89.1mm very high | 89.1mm very high | 89.1mm very high |
Mechanical Trail | 83.5mm | 83.5mm | 83.5mm | 83.5mm |
Wheel Flop | 29.2mm | 29.2mm | 29.2mm | 29.2mm |
Standover Height | 758mm | 813mm | 852mm | 852mm |
Tire to Pedal Spindle | 87.6mm 170 mm cranks | 109.5mm 170 mm cranks | 126.4mm 170 mm cranks | 126.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 126.9mm 170 mm cranks | 126.9mm 170 mm cranks | 126.9mm 170 mm cranks | 126.9mm 170 mm cranks |
Base 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 | 2.2in | 2.2in | 2.2in | 2.2in |
Tire Width Max | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 733.8mm | 733.8mm | 733.8mm | 733.8mm |
Bike Length with Tires | 1793.8mm | 1815.8mm | 1832.8mm | 1832.8mm |
Handlebar Width | 380mm | 440mm | 440mm | 440mm |
Stem Length | 60mm | 60mm | 60mm | 60mm |
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
Off-road TouringSource:https://int.mongoose.com/products/grendel