2021 Diamondback Bicycles Current Base

	SM/48CM 5'4"-5'7"	MD/53CM 5'7"-5'10"	LG/58CM 5'10" - 6'1"
Stack	614mm	623mm	642mm
Reach	402mm	414mm	424mm
Stack to Reach Ratio	1.53:1	1.5:1	1.51:1
Seat Tube Length, C-T	480mm	530mm	580mm
Seat Tube Length, Unknown	350mm	350mm	350mm
Top Tube Length, Effective/Horizontal Center	590mm	605mm	620mm
Top Tube Slope	16deg	11.5deg	8.4deg
Head Tube Angle	70.5deg	70.5deg	70.5deg
Seat Tube Angle	73deg	73deg	73deg
Head Tube Length	160mm	170mm	190mm
Bottom Bracket Drop	65mm	65mm	65mm
Bottom Bracket Height	286mm	286mm	286mm
Chainstay Length	460mm	460mm	460mm
Chainstay Length Horizontal	455.4mm	455.4mm	455.4mm
Front-Center	652.9mm	667.8mm	683.7mm
Front-Center Horizontal	649.6mm	664.6mm	680.6mm
Wheelbase	1105mm	1120mm	1136mm
Fork Offset/Rake	50mm	50mm	50mm
Fork Length, Unknown	440mm	440mm	440mm
Trail	71.3mm high	71.3mm high	71.3mm high
Mechanical Trail	67.2mm	67.2mm	67.2mm
Wheel Flop	22.4mm	22.4mm	22.4mm
Standover Height	795mm	828mm	858mm
Tire to Pedal Spindle	131.9mm 170 mm cranks	146.8mm 170 mm cranks	162.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks

Published Sizing Recommendations

Height

5 ft 4 in

5 ft 7 in

5 ft 10 in

6 ft 1 in

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://www.diamondback.com/current-466