2026 ROSE Bikes Backroad Carbon

	XS	S	M	M/L	L	XL
Stack	544.7mm	565.5mm	580.6mm	599.6mm	610.5mm	624.3mm
Reach	384.4mm	388.4mm	396.4mm	403.2mm	412.3mm	430.2mm
Stack to Reach Ratio	1.42:1	1.46:1	1.46:1	1.49:1	1.48:1	1.45:1
Seat Tube Length, C-T	462mm	481mm	501mm	511mm	531mm	556mm
Top Tube Length, Effective/Horizontal HT Top	525mm	545mm	560mm	575mm	590mm	615mm
Top Tube Slope	11deg	11.2deg	10.5deg	11.3deg	10.2deg	8.8deg
Head Tube Angle	70.5deg	71deg	71.25deg	71.25deg	71.5deg	71.5deg
Seat Tube Angle	75.5deg	74.5deg	74.25deg	74deg	73.75deg	73.5deg
Head Tube Length	102mm	122mm	137mm	157mm	167mm	182mm
Bottom Bracket Drop	78mm	78mm	78mm	78mm	78mm	78mm
Bottom Bracket Height	283mm	283mm	283mm	283mm	283mm	283mm
Chainstay Length	425mm	425mm	425mm	425mm	430mm	430mm
Chainstay Length Horizontal	417.8mm	417.8mm	417.8mm	417.8mm	422.9mm	422.9mm
Front-Center	605.6mm	612mm	622.6mm	635.8mm	645.7mm	668.2mm
Front-Center Horizontal	600.6mm	607mm	617.7mm	631mm	640.9mm	663.6mm
Wheelbase	1018.4mm	1024.8mm	1035.5mm	1048.7mm	1063.8mm	1086.5mm
Fork Offset/Rake	48mm	48mm	48mm	48mm	48mm	48mm
Fork Length (Axle-To-Crown)	410mm	410mm	410mm	410mm	410mm	410mm
Trail	76.9mm high	73.5mm high	71.9mm high	71.9mm high	70.2mm high	70.2mm high
Mechanical Trail	72.5mm	69.5mm	68mm	68mm	66.6mm	66.6mm
Wheel Flop	24.2mm	22.6mm	21.9mm	21.9mm	21.1mm	21.1mm
Standover Height	772mm	792mm	809mm	823mm	837mm	856mm
Tire to Pedal Spindle	74.6mm 170 mm cranks	81mm 170 mm cranks	91.6mm 170 mm cranks	104.8mm 170 mm cranks	114.7mm 170 mm cranks	137.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks

	XS	S	M	M/L	L	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
Tire Width	50mm	50mm	50mm	50mm	50mm	50mm
Tire Outer Diameter	722mm	722mm	722mm	722mm	722mm	722mm
Bike Length with Tires	1740.4mm	1746.8mm	1757.5mm	1770.7mm	1785.8mm	1808.5mm

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.

Category Trend

Source:https://www.rosebikes.com/p/rose-backroad-grx-820-2725742

Geometry