2024 TWITTER Bikes R12 pro Base

	46	48	50	52	54
Stack	512mm	518mm	530mm	541mm	556mm
Reach	371mm	389mm	400mm	412mm	423mm
Stack to Reach Ratio	1.38:1	1.33:1	1.33:1	1.31:1	1.31:1
Seat Tube Length, C-T	460mm	480mm	500mm	520mm	540mm
Top Tube Length, Actual C-C	515mm	535mm	550mm	565mm	580mm
Top Tube Slope	8deg	6.2deg	5.2deg	4.2deg	3.6deg
Head Tube Angle	72deg	72.5deg	73deg	73.5deg	73.5deg
Seat Tube Angle	74.25deg	74.25deg	74.25deg	74.25deg	74.25deg
Head Tube Length	109mm	114mm	125mm	135mm	150mm
Bottom Bracket Drop	68mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	268mm	268mm	268mm	268mm	268mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm
Chainstay Length Horizontal	402.3mm	402.3mm	402.3mm	402.3mm	402.3mm
Front-Center	566mm	582mm	593mm	603mm	618mm
Front-Center Horizontal	562.7mm	578.7mm	588.7mm	598.7mm	614.7mm
Wheelbase	965mm	981mm	991mm	1001mm	1017mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length, Unknown	362mm	362mm	362mm	362mm	362mm
Trail	61.9mm mid/neutral	58.8mm mid/neutral	55.7mm mid/neutral	52.6mm mid/neutral	52.6mm mid/neutral
Mechanical Trail	58.8mm	56mm	53.2mm	50.4mm	50.4mm
Wheel Flop	18.2mm	16.9mm	15.6mm	14.3mm	14.3mm
Tire to Pedal Spindle	60mm 170 mm cranks	76mm 170 mm cranks	87mm 170 mm cranks	97mm 170 mm cranks	112mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks

Published Sizing Recommendations

Height

160 cm

168 cm

175 cm

180 cm

185 cm

190 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.ozon.ru/product/velosiped-shosseynyy-r12pro-disc-wheeltop-eds-2-13s-1365187934