2018 Surly Bikes Cross-Check Drop Bar

Category
Cyclocross
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake, Single-speed capable
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

42cm
46cm
50cm
52cm
54cm
56cm
58cm
60cm
62cm
64cm
Stack
528mm
528mm
528mm
528mm
538.4mm
556.5mm
575.7mm
593.6mm
612.7mm
630.9mm
Reach
378.7mm
380.8mm
389.1mm
389.7mm
394.8mm
394.3mm
398.3mm
407.3mm
411mm
424.5mm
Stack to Reach Ratio
1.39:1
1.39:1
1.36:1
1.35:1
1.36:1
1.41:1
1.45:1
1.46:1
1.49:1
1.49:1
Seat Tube Length, C-TTT
420mm
460mm
500mm
520mm
540mm
560mm
580mm
600mm
620mm
665mm
Top Tube Length, Effective/Horizontal Center
522mm
528.8mm
541.8mm
547.1mm
560mm
570mm
580mm
600mm
610mm
630mm
Top Tube Length, Actual C-C
505mm
515mm
535.1mm
545.1mm
559.9mm
569.9mm
579.8mm
599.8mm
609.9mm
630mm
Top Tube Slope
11.8deg
7.2deg
2.7deg
0.7deg
0deg
0deg
0.1deg
0.1deg
0deg
0deg
Head Tube Angle
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
72deg
Seat Tube Angle
75deg
74.5deg
74deg
73.5deg
73deg
72.5deg
72.5deg
72deg
72deg
72deg
Head Tube Length
91mm
91mm
91mm
91mm
102mm
121mm
141mm
160mm
180mm
200mm
Bottom Bracket Drop
66mm
66mm
66mm
66mm
66mm
66mm
66mm
66mm
66mm
66mm
Bottom Bracket Height
292.5mm
292.5mm
292.5mm
292.5mm
292.5mm
292.5mm
292.5mm
292.5mm
292.5mm
292.5mm
Chainstay Length
420mm
420mm
425mm
425mm
425mm
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
414.8mm
414.8mm
419.8mm
419.8mm
419.8mm
419.8mm
419.8mm
419.8mm
419.8mm
419.8mm
Front-Center
578.8mm
580.9mm
589.1mm
589.8mm
598.1mm
603.5mm
613.6mm
628.3mm
638.3mm
658.1mm
Front-Center Horizontal
575mm
577.1mm
585.4mm
586.1mm
594.5mm
599.9mm
610.1mm
624.9mm
634.9mm
654.8mm
Wheelbase
989.8mm
991.9mm
1005.2mm
1005.9mm
1014.3mm
1019.7mm
1029.9mm
1044.7mm
1054.7mm
1074.6mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
44mm
44mm
44mm
44mm
44mm
44mm
Fork Length (Axle-To-Crown)
400mm
400mm
400mm
400mm
400mm
400mm
400mm
400mm
400mm
400mm
Trail
70.2mm
high
70.2mm
high
70.2mm
high
70.2mm
high
70.2mm
high
70.2mm
high
70.2mm
high
70.2mm
high
70.2mm
high
70.2mm
high
Mechanical Trail
66.8mm
66.8mm
66.8mm
66.8mm
66.8mm
66.8mm
66.8mm
66.8mm
66.8mm
66.8mm
Wheel Flop
20.6mm
20.6mm
20.6mm
20.6mm
20.6mm
20.6mm
20.6mm
20.6mm
20.6mm
20.6mm
Standover Height
747.9mm
766.7mm
784.4mm
794.4mm
809mm
826.7mm
845.9mm
863.4mm
882.2mm
901.8mm
Tire to Pedal Spindle
50.3mm
170 mm cranks
52.4mm
170 mm cranks
60.6mm
170 mm cranks
61.3mm
170 mm cranks
64.6mm
175 mm cranks
70mm
175 mm cranks
80.1mm
175 mm cranks
94.8mm
175 mm cranks
104.8mm
175 mm cranks
124.6mm
175 mm cranks
Pedal Spindle to Ground Clearance
122.5mm
170 mm cranks
122.5mm
170 mm cranks
122.5mm
170 mm cranks
122.5mm
170 mm cranks
117.5mm
175 mm cranks
117.5mm
175 mm cranks
117.5mm
175 mm cranks
117.5mm
175 mm cranks
117.5mm
175 mm cranks
117.5mm
175 mm cranks

Drop Bar Build

42cm
46cm
50cm
52cm
54cm
56cm
58cm
60cm
62cm
64cm
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
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
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
41mm
41mm
41mm
41mm
41mm
41mm
41mm
41mm
41mm
41mm
Tire Outer Diameter
717mm
717mm
717mm
717mm
717mm
717mm
717mm
717mm
717mm
717mm
Bike Length with Tires
1706.8mm
1708.9mm
1722.2mm
1722.9mm
1731.3mm
1736.7mm
1746.9mm
1761.7mm
1771.7mm
1791.6mm
Crank Length
170mm
170mm
170mm
170mm
175mm
175mm
175mm
175mm
175mm
175mm
Handlebar Width
400mm
400mm
400mm
420mm
420mm
440mm
440mm
460mm
460mm
460mm
Stem Length
70mm
80mm
80mm
100mm
100mm
100mm
120mm
120mm
120mm
120mm

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
Cyclocross
Source:https://surlybikes.com/bikes/cross_check/geometry