2023 ROSE Bikes Backroad AL PLUS Base

	XS	S	M	L	XL
Stack	544.5mm	569mm	598mm	619mm	637mm
Reach	361.5mm	372mm	378mm	393.5mm	401.5mm
Stack to Reach Ratio	1.51:1	1.53:1	1.58:1	1.57:1	1.59:1
Seat Tube Length, C-T	470mm	490mm	508mm	535mm	560mm
Top Tube Length, Effective/Horizontal HT Top	515mm	535mm	555mm	577mm	590mm
Top Tube Slope	10.7deg	10.9deg	12deg	11deg	10.1deg
Head Tube Angle	70deg	70.5deg	71deg	71.5deg	71.5deg
Seat Tube Angle	74.25deg	74deg	73.5deg	73.5deg	73.5deg
Head Tube Length	125mm	146mm	170mm	186mm	205mm
Bottom Bracket Drop	65mm	68mm	72mm	76mm	76mm
Bottom Bracket Height	290mm	287mm	283mm	279mm	279mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	425.1mm	424.6mm	423.9mm	423.2mm	423.2mm
Front-Center	589.5mm	602.8mm	612.8mm	629.4mm	643.3mm
Front-Center Horizontal	585.9mm	598.9mm	608.6mm	624.8mm	638.8mm
Wheelbase	1011mm	1023.5mm	1032.5mm	1048mm	1062mm
Fork Offset/Rake	47mm	47mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	404.2mm	404.2mm	404.2mm	404.2mm	404.2mm
Trail	79.2mm high	75.9mm high	72.5mm high	69.2mm high	69.2mm high
Mechanical Trail	74.4mm	71.5mm	68.6mm	65.6mm	65.6mm
Wheel Flop	25.5mm	23.9mm	22.3mm	20.8mm	20.8mm
Standover Height	765mm	780mm	799mm	829mm	845mm
Tire to Pedal Spindle	64.5mm 170 mm cranks	77.8mm 170 mm cranks	85.3mm 172.5 mm cranks	99.4mm 175 mm cranks	113.3mm 175 mm cranks
Pedal Spindle to Ground Clearance	120mm 170 mm cranks	117mm 170 mm cranks	110.5mm 172.5 mm cranks	104mm 175 mm cranks	104mm 175 mm cranks

Published Sizing Recommendations

PBH

77 cm

82 cm

85 cm

89 cm

92 cm

96 cm

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.de/rose-backroad-al-plus-grx-rx810-1x11-2697067?product_shape=Sandy+Taco