2024 ROSE Bikes Backroad + Base

	S	M	L	XL
Stack	549mm	573mm	604mm	634mm
Reach	386mm	399mm	411mm	426mm
Stack to Reach Ratio	1.42:1	1.44:1	1.47:1	1.49:1
Seat Tube Length, C-T	465mm	500mm	530mm	570mm
Top Tube Length, Effective/Horizontal HT Top	518mm	553mm	590mm	620mm
Top Tube Slope	11.1deg	9.7deg	9.7deg	8.5deg
Head Tube Angle	69.5deg	71deg	71.5deg	72deg
Seat Tube Angle	76.5deg	75deg	73.5deg	73.5deg
Head Tube Length	120mm	140mm	170mm	200mm
Bottom Bracket Drop	76mm	76mm	76mm	76mm
Bottom Bracket Height	280mm	280mm	280mm	280mm
Chainstay Length	436mm	436mm	436mm	436mm
Chainstay Length Horizontal	429.3mm	429.3mm	429.3mm	429.3mm
Front-Center	618mm	625mm	642mm	661mm
Front-Center Horizontal	612.7mm	617.7mm	637.7mm	657.7mm
Wheelbase	1042mm	1047mm	1067mm	1087mm
Fork Offset/Rake	47mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	405mm	405mm	405mm	405mm
Trail	82.9mm very high	72.9mm high	69.6mm high	66.3mm high
Mechanical Trail	77.7mm	68.9mm	66mm	63mm
Wheel Flop	27.2mm	22.4mm	20.9mm	19.5mm
Standover Height	771mm	800mm	829mm	863mm
Tire to Pedal Spindle	92mm 170 mm cranks	99mm 170 mm cranks	116mm 170 mm cranks	135mm 170 mm cranks
Pedal Spindle to Ground Clearance	110mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks

Published Sizing Recommendations

PBH

74 cm

79 cm

80 cm

85 cm

86 cm

90 cm

91 cm

95 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-plus-grx-rx600-2693177