2024 TWITTER Bikes R15 pro Base

	44	47	50	53	56
Stack	502mm	517mm	524mm	539mm	558mm
Reach	369mm	373mm	381mm	382mm	389mm
Stack to Reach Ratio	1.36:1	1.39:1	1.38:1	1.41:1	1.43:1
Seat Tube Length, C-T	440mm	470mm	500mm	530mm	560mm
Top Tube Length, Effective/Horizontal Center	498mm	517mm	527mm	536mm	554mm
Top Tube Slope	9deg	7.3deg	4.7deg	3.2deg	2.2deg
Head Tube Angle	70deg	70.5deg	71deg	71deg	71deg
Seat Tube Angle	75.5deg	74.5deg	74.5deg	74deg	73.5deg
Head Tube Length	100mm	115mm	120mm	135mm	155mm
Bottom Bracket Drop	73mm	73mm	73mm	73mm	73mm
Bottom Bracket Height	263mm	263mm	263mm	263mm	263mm
Chainstay Length	406mm	406mm	406mm	406mm	406mm
Chainstay Length Horizontal	399.4mm	399.4mm	399.4mm	399.4mm	399.4mm
Front-Center	577mm	583mm	589mm	594mm	608mm
Front-Center Horizontal	572.6mm	578.6mm	583.6mm	589.6mm	603.6mm
Wheelbase	972mm	978mm	983mm	989mm	1003mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length, Unknown	373mm	373mm	373mm	373mm	373mm
Trail	74.4mm high	71.3mm high	68.1mm high	68.1mm high	68.1mm high
Mechanical Trail	69.9mm	67.2mm	64.4mm	64.4mm	64.4mm
Wheel Flop	23.9mm	22.4mm	21mm	21mm	21mm
Tire to Pedal Spindle	71mm 170 mm cranks	77mm 170 mm cranks	83mm 170 mm cranks	88mm 170 mm cranks	102mm 170 mm cranks
Pedal Spindle to Ground Clearance	93mm 170 mm cranks	93mm 170 mm cranks	93mm 170 mm cranks	93mm 170 mm cranks	93mm 170 mm cranks

Published Sizing Recommendations

Height

155 cm

165 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.

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Source:https://www.ozon.ru/product/twitter-velosiped-shosseynyy-gorodskoy-twitter-r15pro-24-1447164105