2019 Diamondback Bicycles El Oso Tres Base

	SM/16	MD/18	LG/20
Stack	600mm	609mm	609mm
Reach	408mm	434mm	455mm
Stack to Reach Ratio	1.47:1	1.4:1	1.34:1
Seat Tube Length, Unknown	400mm	457mm	500mm
Top Tube Length, Effective/Horizontal Center	580mm	609mm	630mm
Top Tube Slope	22.6deg	16.9deg	12.2deg
Head Tube Angle	68.5deg	68.5deg	68.5deg
Seat Tube Angle	74deg	74deg	74deg
Head Tube Length	110mm	120mm	120mm
Bottom Bracket Drop	60mm	60mm	60mm
Bottom Bracket Height	333.8mm	333.8mm	333.8mm
Chainstay Length	460mm	460mm	460mm
Chainstay Length Horizontal	456.1mm	456.1mm	456.1mm
Front-Center	671.6mm	701.5mm	722.4mm
Front-Center Horizontal	668.9mm	698.9mm	719.9mm
Wheelbase	1125mm	1155mm	1176mm
Fork Offset/Rake	50mm	50mm	50mm
Trail	101.4mm very high	101.4mm very high	101.4mm very high
Mechanical Trail	94.3mm	94.3mm	94.3mm
Wheel Flop	34.6mm	34.6mm	34.6mm
Standover Height	787mm	804mm	820mm
Tire to Pedal Spindle	107.8mm 170 mm cranks	132.7mm 175 mm cranks	153.6mm 175 mm cranks
Pedal Spindle to Ground Clearance	163.8mm 170 mm cranks	158.8mm 175 mm cranks	158.8mm 175 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/mountain-bikes/fat-bikes/el-oso-tres-41