2012 Trek Bikes Ion CX Pro Base

Category
Cyclocross
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Rim brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

50cm
52cm
54cm
56cm
58cm
61cm
Stack
527mm
547mm
563mm
584mm
606mm
631mm
Reach
359mm
366mm
372mm
378mm
383mm
393mm
Stack to Reach Ratio
1.47:1
1.49:1
1.51:1
1.54:1
1.58:1
1.61:1
Seat Tube Length, C-T
506mm
529mm
548mm
572mm
595mm
621mm
Top Tube Length, Effective/Horizontal Center
509mm
524mm
537mm
553mm
568mm
590mm
Top Tube Slope
4.6deg
4.3deg
4.1deg
3.8deg
3.8deg
3.8deg
Head Tube Angle
72deg
72deg
72deg
72deg
72deg
72deg
Seat Tube Angle
74.2deg
73.9deg
73.6deg
73.4deg
73.1deg
72.7deg
Head Tube Length
105mm
126mm
145mm
167mm
193mm
219mm
Bottom Bracket Drop
64mm
64mm
62mm
62mm
62mm
62mm
Bottom Bracket Height
281mm
281mm
283mm
283mm
283mm
283mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
425.2mm
425.2mm
425.5mm
425.5mm
425.5mm
425.5mm
Front-Center
560.5mm
574.4mm
584.8mm
597.7mm
610.7mm
627.6mm
Front-Center Horizontal
556.8mm
570.8mm
581.5mm
594.5mm
607.5mm
624.5mm
Wheelbase
982mm
996mm
1007mm
1020mm
1033mm
1050mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
45mm
Trail
64.8mm
mid/​neutral
64.8mm
mid/​neutral
64.8mm
mid/​neutral
64.8mm
mid/​neutral
64.8mm
mid/​neutral
64.8mm
mid/​neutral
Mechanical Trail
61.6mm
61.6mm
61.6mm
61.6mm
61.6mm
61.6mm
Wheel Flop
19mm
19mm
19mm
19mm
19mm
19mm
Standover Height
760mm
780mm
799mm
821mm
843mm
866mm
Tire to Pedal Spindle
45.5mm
170 mm cranks
59.4mm
170 mm cranks
69.8mm
170 mm cranks
82.7mm
170 mm cranks
95.7mm
170 mm cranks
112.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks

Base Build

50cm
52cm
54cm
56cm
58cm
61cm
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
Tire Width
34mm
34mm
34mm
34mm
34mm
34mm
Tire Outer Diameter
690mm
690mm
690mm
690mm
690mm
690mm
Bike Length with Tires
1672mm
1686mm
1697mm
1710mm
1723mm
1740mm

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://geometrygeeks.bike/bike/trek-ion-cx-pro-2012/