2026 8bar Bikes Grunewald Base

	X Small	Small	Medium	Large	X Large
Stack	540mm	561mm	580mm	601mm	620mm
Reach	370mm	379mm	388mm	407mm	427mm
Stack to Reach Ratio	1.46:1	1.48:1	1.49:1	1.48:1	1.45:1
Seat Tube Length, C-T	450mm	480mm	510mm	540mm	570mm
Top Tube Length, Effective/Horizontal Center	515mm	535mm	555mm	580mm	605mm
Top Tube Slope	12.2deg	11deg	9.6deg	8.4deg	7deg
Head Tube Angle	71deg	71.5deg	71.5deg	72deg	72deg
Seat Tube Angle	75deg	74.5deg	74deg	74deg	74deg
Head Tube Length	110mm	130mm	150mm	170mm	190mm
Bottom Bracket Drop	72mm	72mm	72mm	72mm	72mm
Bottom Bracket Height	279mm	279mm	279mm	279mm	279mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.9mm	423.9mm	423.9mm	423.9mm	423.9mm
Front-Center	583.5mm	594.5mm	610.3mm	630.2mm	656mm
Front-Center Horizontal	579.1mm	590.1mm	606.1mm	626.1mm	652.1mm
Wheelbase	1003mm	1014mm	1030mm	1050mm	1076mm
Fork Offset/Rake	45.3mm	45mm	45.6mm	44.9mm	44.7mm
Trail	72.9mm high	70mm high	69.4mm high	66.9mm high	67mm high
Mechanical Trail	69mm	66.4mm	65.8mm	63.6mm	63.8mm
Wheel Flop	22.5mm	21.1mm	20.9mm	19.7mm	19.7mm
Standover Height	730mm	755mm	780mm	790mm	810mm
Tire to Pedal Spindle	62.5mm 170 mm cranks	73.5mm 170 mm cranks	89.3mm 170 mm cranks	109.2mm 170 mm cranks	135mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks

Published Sizing Recommendations

Height

150 cm

163 cm

160 cm

173 cm

170 cm

183 cm

180 cm

193 cm

190 cm

203 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://8bar-bikes.com/de/shop/8bar-grunewald-alu-v1-rahmenset/#rahmen