2014 Surly Bikes Krampus Rigid Fork

Category
Rigid MTB
Design
Flat Bar, Rigid, suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category

Geometry

Small (15)
Medium (17)
Large (19)
xLarge (21)
Stack
589.8mm
594.5mm
599.2mm
613.2mm
Reach
399mm
421.6mm
441.1mm
451.7mm
Stack to Reach Ratio
1.48:1
1.41:1
1.36:1
1.36:1
Seat Tube Length, C-T
375mm
425mm
475.5mm
525mm
Top Tube Length, Effective/Horizontal Center
585mm
609mm
630mm
645mm
Top Tube Length, Actual C-C
561mm
578mm
597.4mm
614.7mm
Top Tube Slope
23.5deg
17.5deg
17.5deg
17.5deg
Head Tube Angle
69.5deg
69.5deg
69.5deg
69.5deg
Seat Tube Angle
72.5deg
72.5deg
72.5deg
72.5deg
Head Tube Length
82.5mm
87.5mm
92.5mm
107.5mm
Bottom Bracket Drop
60mm
60mm
60mm
60mm
Bottom Bracket Height
327.5mm
327.5mm
327.5mm
327.5mm
Chainstay Length
446mm
446mm
446mm
446mm
Chainstay Length Horizontal
442mm
442mm
442mm
442mm
Front-Center
651.9mm
677.4mm
699.4mm
715.9mm
Front-Center Horizontal
649.2mm
674.8mm
696.9mm
713.4mm
Wheelbase
1091.1mm
1116.7mm
1138.8mm
1155.3mm
Fork Offset/Rake
47mm
47mm
47mm
47mm
Fork Length (Axle-To-Crown)
483mm
483mm
483mm
483mm
Trail
94.7mm
very high
94.7mm
very high
94.7mm
very high
94.7mm
very high
Mechanical Trail
88.7mm
88.7mm
88.7mm
88.7mm
Wheel Flop
31.1mm
31.1mm
31.1mm
31.1mm
Standover Height
773.4mm
799.7mm
825.8mm
856.6mm
Tire to Pedal Spindle
94.4mm
170 mm cranks
119.9mm
170 mm cranks
141.9mm
170 mm cranks
158.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
157.5mm
170 mm cranks
157.5mm
170 mm cranks
157.5mm
170 mm cranks
157.5mm
170 mm cranks

Rigid Fork Build

Small (15)
Medium (17)
Large (19)
xLarge (21)
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
3in
3in
3in
3in
Tire Width Max
3in
3in
3in
3in
Tire Outer Diameter
775mm
775mm
775mm
775mm
Bike Length with Tires
1866.1mm
1891.7mm
1913.8mm
1930.3mm

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
Rigid MTB
Source:https://surlybikes.com/bikes/legacy/krampus_2016