2023 Surly Bikes Grappler Base

	XS	SM	MD	LG	XL
Stack	585mm	604mm	623mm	641mm	660mm
Reach	381mm	405mm	420mm	444mm	458mm
Stack to Reach Ratio	1.54:1	1.49:1	1.48:1	1.44:1	1.44:1
Seat Tube Length, C-T	316mm	386mm	437.2mm	488mm	539mm
Top Tube Length, Effective/Horizontal HT Top	560mm	590mm	610mm	640mm	660mm
Head Tube Angle	69.5deg	69.5deg	69.5deg	69.5deg	69.5deg
Effective Seat Tube Angle, Seat Tube Top	73deg	73deg	73deg	73deg	73deg
Head Tube Length	160mm	180mm	200mm	220mm	240mm
Bottom Bracket Drop	50mm	50mm	50mm	50mm	50mm
Bottom Bracket Height	305.5mm	305.5mm	305.5mm	305.5mm	305.5mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	422.1mm	422.1mm	422.1mm	422.1mm	422.1mm
Front-Center	636.9mm	667.8mm	688.8mm	719.7mm	741.6mm
Front-Center Horizontal	635mm	666mm	687mm	718mm	740mm
Wheelbase	1057mm	1088mm	1109mm	1140mm	1162mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (On-Axis)	420mm	420mm	420mm	420mm	420mm
Trail	79.5mm high	79.5mm high	79.5mm high	79.5mm high	79.5mm high
Mechanical Trail	74.5mm	74.5mm	74.5mm	74.5mm	74.5mm
Wheel Flop	26.1mm	26.1mm	26.1mm	26.1mm	26.1mm
Standover Height	719mm	762mm	796mm	830mm	863mm
Tire to Pedal Spindle	111.4mm 170 mm cranks	142.3mm 170 mm cranks	158.3mm 175 mm cranks	189.2mm 175 mm cranks	211.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	135.5mm 170 mm cranks	135.5mm 170 mm cranks	130.5mm 175 mm cranks	130.5mm 175 mm cranks	130.5mm 175 mm cranks

Published Sizing Recommendations

Height

142 cm

152 cm

165 cm

175 cm

185 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.

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Source:https://surlybikes.com/bikes/grappler