2023 Bockstein Bicycles Tuscus Base

	S	M	L	XL
Stack	545mm	576mm	597mm	621mm
Reach	358mm	370mm	382mm	394mm
Stack to Reach Ratio	1.52:1	1.56:1	1.56:1	1.58:1
Seat Tube Length, C-T	495mm	530mm	550mm	564mm
Top Tube Length, Effective/Horizontal HT Top	515mm	540mm	559mm	578mm
Top Tube Slope	8deg	7.4deg	7.4deg	8.2deg
Head Tube Angle	69.5deg	71deg	71.5deg	71.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	125mm	150mm	170mm	195mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm
Bottom Bracket Height	276mm	276mm	276mm	276mm
Chainstay Length	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	585mm	600mm	614mm	630mm
Front-Center Horizontal	585.5mm	595.5mm	609.5mm	621.5mm
Wheelbase	1014mm	1024mm	1038mm	1050mm
Fork Offset/Rake	47mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm
Trail	81.1mm very high	71.2mm high	67.9mm high	67.9mm high
Mechanical Trail	75.9mm	67.3mm	64.4mm	64.4mm
Wheel Flop	26.6mm	21.9mm	20.4mm	20.4mm
Tire to Pedal Spindle	64mm 170 mm cranks	79mm 170 mm cranks	93mm 170 mm cranks	109mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks	106mm 170 mm cranks

Published Sizing Recommendations

Height

158 cm

170 cm

168 cm

180 cm

177 cm

190 cm

188 cm

205 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://bockstein.bike/frames/tuscus/