	XXS	XS	S	M	L	XL
Stack	562mm	573mm	585mm	606mm	631mm	655mm
Reach	389mm	392mm	398mm	404mm	410mm	416mm
Stack to Reach Ratio	1.44:1	1.46:1	1.47:1	1.5:1	1.54:1	1.57:1
Seat Tube Length, C-T	470mm	500mm	520mm	540mm	560mm	590mm
Top Tube Length, Effective/Horizontal Center	555mm	561mm	571mm	583mm	597mm	610mm
Top Tube Slope	12deg	9.9deg	9deg	9deg	9.4deg	8.7deg
Head Tube Angle	70deg	70.5deg	71deg	71.5deg	72deg	72deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	150mm	160mm	170mm	190mm	215mm	240mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm	65mm	65mm
Bottom Bracket Height	278mm	278mm	278mm	278mm	278mm	278mm
Chainstay Length	438mm	438mm	438mm	438mm	438mm	438mm
Chainstay Length Horizontal	433.2mm	433.2mm	433.2mm	433.2mm	433.2mm	433.2mm
Front-Center	621.3mm	623.3mm	628.2mm	636.2mm	645.1mm	658.1mm
Front-Center Horizontal	617.9mm	619.9mm	624.9mm	632.9mm	641.9mm	654.9mm
Wheelbase	1051mm	1053mm	1058mm	1066mm	1075mm	1088mm
Fork Offset/Rake	45.1mm	45.2mm	45.2mm	45.4mm	45.6mm	44.8mm
Fork Length (On-Axis)	395mm	395mm	395mm	395mm	395mm	395mm
Trail	76.9mm high	73.5mm high	70.3mm high	66.9mm high	63.5mm mid/neutral	64.3mm mid/neutral
Mechanical Trail	72.3mm	69.3mm	66.5mm	63.5mm	60.4mm	61.2mm
Wheel Flop	24.7mm	23.1mm	21.6mm	20.1mm	18.7mm	18.9mm
Standover Height	744mm	769mm	787mm	806mm	828mm	855mm
Tire to Pedal Spindle	108.3mm 170 mm cranks	110.3mm 170 mm cranks	115.2mm 170 mm cranks	123.2mm 170 mm cranks	127.1mm 175 mm cranks	140.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	108mm 170 mm cranks	103mm 175 mm cranks	103mm 175 mm cranks

	XXS	XS	S	M	L	XL
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm	32mm	32mm	32mm	32mm
Tire Width Max	35mm	35mm	35mm	35mm	35mm	35mm
Tire Outer Diameter	686mm	686mm	686mm	686mm	686mm	686mm
Bike Length with Tires	1737mm	1739mm	1744mm	1752mm	1761mm	1774mm
Crank Length	170mm	170mm	170mm	170mm	175mm	175mm
Handlebar Width	600mm	600mm	600mm	600mm	600mm	600mm
Stem Length	80mm	80mm	90mm	100mm	110mm	110mm
Stem Angle	7deg	7deg	7deg	7deg	7deg	7deg

Published Sizing Recommendations

Height

153 cm

162 cm

160 cm

168.5 cm

165 cm

174 cm

171 cm

180.5 cm

178.5 cm

188.5 cm

185.5 cm

196 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

2025 Merida Bikes Speeder 300