2020 Author Ronin XC

	50cm	52cm	54cm	56cm	58cm
Stack	548mm	569mm	587mm	607mm	628mm
Reach	378mm	382mm	386mm	395mm	397mm
Stack to Reach Ratio	1.45:1	1.49:1	1.52:1	1.54:1	1.58:1
Seat Tube Length, C-T	500mm	520mm	540mm	560mm	580mm
Seat Tube Length, C-C	460mm	480mm	500mm	520mm	540mm
Top Tube Length, Effective/Horizontal HT Top	530mm	545mm	560mm	580mm	595mm
Top Tube Slope	7.4deg	7.5deg	7.3deg	7.3deg	7.5deg
Head Tube Angle	70.5deg	71deg	71deg	71.5deg	72deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73deg	72.5deg
Head Tube Length	120mm	140mm	160mm	180mm	200mm
Bottom Bracket Drop	70mm	70mm	69mm	68mm	68mm
Bottom Bracket Height	270mm	270mm	271mm	272mm	272mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.2mm	419.2mm	419.4mm	419.5mm	419.5mm
Front-Center	604.9mm	610.8mm	621.5mm	631.2mm	635.1mm
Front-Center Horizontal	600.8mm	606.8mm	617.6mm	627.5mm	631.5mm
Wheelbase	1020mm	1026mm	1037mm	1047mm	1051mm
Fork Offset/Rake	68mm	68mm	68mm	68mm	68mm
Fork Length, Unknown	404mm	404mm	404mm	404mm	404mm
Trail	48.3mm mid/neutral	45.2mm mid/neutral	45.2mm mid/neutral	42.1mm low	39mm low
Mechanical Trail	45.5mm	42.7mm	42.7mm	39.9mm	37.1mm
Wheel Flop	15.2mm	13.9mm	13.9mm	12.7mm	11.5mm
Tire to Pedal Spindle	92.9mm 172 mm cranks	98.8mm 172 mm cranks	106.5mm 175 mm cranks	116.2mm 175 mm cranks	120.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	98mm 172 mm cranks	98mm 172 mm cranks	96mm 175 mm cranks	97mm 175 mm cranks	97mm 175 mm cranks

Published Sizing Recommendations

Height

160 cm

170 cm

168 cm

178 cm

176 cm

188 cm

186 cm

195 cm

193 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://en.author.eu/adventure/gravel-bike/author-ronin-xc-2020-ua42930502#!geometrie-modelu