2021 Mongoose Bicycles Grendel Base

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 Scale
Category Trend
Off-road Touring
Source:https://int.mongoose.com/products/grendel