2023 Chumba Cycles Yaupon With a Rigid ENVE MTN Fork

	SM	SM	MD	MD	LG	LG	XL	XL
Stack	614mm	614mm	632mm	632mm	641mm	641mm	634mm	634mm
Reach	414mm	414mm	428mm	428mm	444mm	444mm	459mm	459mm
Stack to Reach Ratio	1.48:1	1.48:1	1.48:1	1.48:1	1.44:1	1.44:1	1.38:1	1.38:1
Seat Tube Length, C-T	381mm	381mm	412.8mm	412.8mm	463.5mm	463.5mm	514.4mm	514.4mm
Top Tube Length, Effective/Horizontal Center	569mm	569mm	594mm	594mm	614mm	614mm	634mm	634mm
Top Tube Slope	25.8deg	25.8deg	23.6deg	23.6deg	18.9deg	18.9deg	13deg	13deg
Head Tube Angle	69.9deg	69.9deg	69.9deg	69.9deg	69.9deg	69.9deg	69.9deg	69.9deg
Seat Tube Angle	76deg	76deg	75.4deg	75.4deg	75.4deg	75.4deg	75.4deg	75.4deg
Head Tube Length	90mm	90mm	110mm	110mm	120mm	120mm	140mm	140mm
Bottom Bracket Drop	74mm	74mm	74mm	74mm	74mm	74mm	74mm	74mm
Bottom Bracket Height	294.2mm	294.2mm	294.2mm	294.2mm	294.2mm	294.2mm	294.2mm	294.2mm
Chainstay Length	440mm	440mm	440mm	440mm	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	433.7mm	433.7mm	433.7mm	433.7mm	433.7mm	433.7mm	433.7mm	433.7mm
Front-Center	661.4mm	661.4mm	682.3mm	682.3mm	703.2mm	703.2mm	725.1mm	725.1mm
Front-Center Horizontal	657.3mm	657.3mm	678.3mm	678.3mm	699.3mm	699.3mm	721.3mm	721.3mm
Wheelbase	1091mm	1091mm	1112mm	1112mm	1133mm	1133mm	1155mm	1155mm
Wheelbase Max	—	1111mm	—	1132mm	—	1153mm	—	1175mm
Fork Offset/Rake	52mm	44mm	52mm	44mm	52mm	44mm	52mm	44mm
Fork Length (Axle-To-Crown)	492mm	490mm	492mm	490mm	492mm	490mm	492mm	490mm
Trail	79.4mm high	87.9mm very high	79.4mm high	87.9mm very high	79.4mm high	87.9mm very high	79.4mm high	87.9mm very high
Mechanical Trail	74.5mm	82.5mm	74.5mm	82.5mm	74.5mm	82.5mm	74.5mm	82.5mm
Wheel Flop	25.6mm	28.4mm	25.6mm	28.4mm	25.6mm	28.4mm	25.6mm	28.4mm
Standover Height	721.4mm	721.4mm	743mm	743mm	778.8mm	778.8mm	819.2mm	819.2mm
Tire to Pedal Spindle	123.3mm 170 mm cranks	128.3mm 165 mm cranks	144.1mm 170 mm cranks	144.1mm 170 mm cranks	165mm 170 mm cranks	165mm 170 mm cranks	186.9mm 170 mm cranks	181.9mm 175 mm cranks
Pedal Spindle to Ground Clearance	124.2mm 170 mm cranks	129.2mm 165 mm cranks	124.2mm 170 mm cranks	124.2mm 170 mm cranks	124.2mm 170 mm cranks	124.2mm 170 mm cranks	124.2mm 170 mm cranks	119.2mm 175 mm cranks

	SM	SM	MD	MD	LG	LG	XL	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	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	2.25in	2.25in	2.25in	2.25in	2.25in	2.25in	2.25in	2.25in
Tire Width Max	—	2.6in	—	2.6in	—	2.6in	—	2.6in
Tire Outer Diameter	736.3mm	736.3mm	736.3mm	736.3mm	736.3mm	736.3mm	736.3mm	736.3mm
Bike Length with Tires	1827.3mm	1827.3mm	1848.3mm	1848.3mm	1869.3mm	1869.3mm	1891.3mm	1891.3mm
Crank Length	—	165mm	—	170mm	—	170mm	—	175mm

Published Sizing Recommendations

Height

—

5 ft 2 in

5 ft 6.5 in

—

5 ft 7 in

5 ft 10 in

—

5 ft 10.5 in

6 ft 1.5 in

—

6 ft 2 in

6 ft 4.5 in

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

Progressive Gravel

Source:https://chumbausa.com/yaupon-steel-mountain-bike-29er-27plus

Suggest Bike Edit

2023 Chumba Cycles Yaupon With a Rigid ENVE MTN Fork

Geometry

With a Rigid ENVE MTN Fork Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend