2024 Chumba Cycles SOCO Base

	50	52	54	56	58	60	62
Stack	528mm	558mm	569mm	585mm	604mm	624mm	643mm
Reach	370mm	374mm	381mm	391mm	404mm	418mm	427mm
Stack to Reach Ratio	1.43:1	1.49:1	1.49:1	1.5:1	1.5:1	1.49:1	1.51:1
Seat Tube Length, C-T	465mm	500mm	515mm	530mm	545mm	575mm	590mm
Top Tube Length, Effective/Horizontal Center	518mm	530mm	545mm	565mm	583mm	603mm	618mm
Head Tube Angle	72deg	72.5deg	73deg	73deg	73deg	73deg	73.5deg
Effective Seat Tube Angle, ETT HT Top	74.5deg	74.5deg	74deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	100mm	130mm	140mm	160mm	180mm	200mm	220mm
Bottom Bracket Drop	75mm	75mm	75mm	72mm	72mm	72mm	70mm
Bottom Bracket Height	271mm	271mm	271mm	274mm	274mm	274mm	276mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm	420mm	420mm
Chainstay Length Horizontal	408.2mm	408.2mm	408.2mm	408.7mm	408.7mm	413.8mm	414.1mm
Front-Center	572mm	581mm	586mm	602mm	620mm	640mm	650mm
Front-Center Horizontal	566.8mm	575.8mm	581.8mm	597.3mm	615.3mm	635.2mm	645.9mm
Wheelbase	975mm	984mm	990mm	1006mm	1024mm	1049mm	1060mm
Fork Offset/Rake	47mm	47mm	47mm	47mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	382mm	382mm	382mm	382mm	382mm	382mm	382mm
Trail	63mm mid/neutral	59.8mm mid/neutral	56.6mm mid/neutral	56.6mm mid/neutral	56.6mm mid/neutral	56.6mm mid/neutral	53.5mm mid/neutral
Mechanical Trail	59.9mm	57mm	54.2mm	54.2mm	54.2mm	54.2mm	51.3mm
Wheel Flop	18.5mm	17.2mm	15.8mm	15.8mm	15.8mm	15.8mm	14.6mm
Standover Height	28.4mm	29.8mm	30.2mm	30.9mm	31.6mm	32.6mm	33.3mm
Tire to Pedal Spindle	56mm 170 mm cranks	65mm 170 mm cranks	70mm 170 mm cranks	86mm 170 mm cranks	104mm 170 mm cranks	124mm 170 mm cranks	134mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks	106mm 170 mm cranks

	50	52	54	56	58	60	62
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
Tire Width	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Tire Width Max	38mm	—	—	—	—	—	—
Tire Outer Diameter	692mm	692mm	692mm	692mm	692mm	692mm	692mm
Bike Length with Tires	1667mm	1676mm	1682mm	1698mm	1716mm	1741mm	1752mm

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

All-road/Gravel

Source:https://chumbausa.com/made-in-usa-all-road-bikes

Suggest Bike Edit

2024 Chumba Cycles SOCO Base

Geometry

Base Build

Stack and Reach vs. Category Trend