2023 Kellys Bikes Arc ARC 50

	S	M	L
Stack	549mm	567mm	588mm
Reach	373mm	379mm	386mm
Stack to Reach Ratio	1.47:1	1.5:1	1.52:1
Seat Tube Length, C-T	500mm	532mm	547mm
Top Tube Length, Effective/Horizontal HT Top	536mm	547mm	560mm
Top Tube Slope	7.7deg	6.1deg	6.7deg
Head Tube Angle	71.5deg	72deg	72.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg
Head Tube Length	150mm	170mm	190mm
Bottom Bracket Drop	72.5mm	71.5mm	71.5mm
Bottom Bracket Height	263.5mm	264.5mm	264.5mm
Chainstay Length	415mm	415mm	415mm
Chainstay Length Horizontal	408.6mm	408.8mm	408.8mm
Front-Center	581.9mm	588.6mm	596.5mm
Front-Center Horizontal	577.4mm	584.2mm	592.2mm
Wheelbase	986mm	993mm	1001mm
Fork Offset/Rake	42mm	42mm	42mm
Trail	68.1mm high	65mm high	61.9mm mid/neutral
Mechanical Trail	64.6mm	61.8mm	59mm
Wheel Flop	20.5mm	19.1mm	17.8mm
Tire to Pedal Spindle	75.9mm 170 mm cranks	82.6mm 170 mm cranks	90.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	93.5mm 170 mm cranks	94.5mm 170 mm cranks	94.5mm 170 mm cranks

Published Sizing Recommendations

Height

160 cm

175 cm

170 cm

185 cm

180 cm

195 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://kellysbike.com/racing/arc-50_10405