2020 Momsen Bikes GP300 Base

	X-SMALL	SMALL	MEDIUM	LARGE	X-LARGE
Stack	564mm	581.5mm	598mm	609mm	628mm
Reach	369mm	370mm	380mm	388mm	397mm
Stack to Reach Ratio	1.53:1	1.57:1	1.57:1	1.57:1	1.58:1
Seat Tube Length, C-T	480mm	500mm	520mm	540mm	560mm
Top Tube Length, Effective/Horizontal HT Top	525mm	545mm	560mm	575mm	590mm
Top Tube Slope	11.5deg	11.3deg	10.7deg	9.6deg	9.4deg
Head Tube Angle	70.5deg	70.5deg	71.25deg	71.25deg	71.25deg
Seat Tube Angle	74.5deg	73.2deg	73.2deg	73deg	73deg
Head Tube Length	115mm	135mm	150mm	165mm	185mm
Bottom Bracket Drop	85mm	82.5mm	82.5mm	80mm	80mm
Bottom Bracket Height	266mm	268.5mm	268.5mm	271mm	271mm
Chainstay Length	450mm	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	441.9mm	442.4mm	442.4mm	442.8mm	442.8mm
Front-Center	597.2mm	602.3mm	612.2mm	631.3mm	641.2mm
Front-Center Horizontal	591.1mm	596.6mm	606.6mm	626.2mm	636.2mm
Wheelbase	1033mm	1039mm	1049mm	1069mm	1079mm
Fork Offset/Rake	49.5mm	47.1mm	48.9mm	55.5mm	50.3mm
Trail	71.8mm high	74.4mm high	67.5mm high	60.6mm mid/neutral	66mm high
Mechanical Trail	67.7mm	70.1mm	63.9mm	57.3mm	62.5mm
Wheel Flop	22.6mm	23.4mm	20.6mm	18.4mm	20.1mm
Tire to Pedal Spindle	76.2mm 170 mm cranks	81.3mm 170 mm cranks	91.2mm 170 mm cranks	110.3mm 170 mm cranks	120.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	98.5mm 170 mm cranks	98.5mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks

Published Sizing Recommendations

Height

—

158 cm

169 cm

179 cm

189 cm

188 cm

198 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://momsenbikes.com/shop/2020-bikes/gp300-2020/