2018 Diamondback Bicycles Oso Grande Base

	S	M	L
Stack	600mm	609mm	609mm
Reach	408mm	434mm	455mm
Stack to Reach Ratio	1.47:1	1.4:1	1.34:1
Seat Tube Length, C-T	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	85mm	85mm	85mm
Bottom Bracket Height	319mm	319mm	319mm
Chainstay Length	460mm	460mm	460mm
Chainstay Length Horizontal	452.1mm	452.1mm	452.1mm
Front-Center	678.3mm	708mm	728.9mm
Front-Center Horizontal	672.9mm	702.9mm	723.9mm
Wheelbase	1125mm	1155mm	1176mm
Fork Offset/Rake	50mm	50mm	50mm
Trail	105.4mm very high	105.4mm very high	105.4mm very high
Mechanical Trail	98.1mm	98.1mm	98.1mm
Wheel Flop	35.9mm	35.9mm	35.9mm
Standover Height	787mm	804mm	820mm
Tire to Pedal Spindle	104.3mm 170 mm cranks	134.1mm 170 mm cranks	154.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	149mm 170 mm cranks	149mm 170 mm cranks	149mm 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.rei.com/product/124844/diamondback-el-oso-dos-fat-bike-2017