2017 Felt Bicycles DD70 Base

	SM (16")	MD (18.5")	LG (21")
Stack	599mm	613mm	628mm
Reach	396mm	422mm	448mm
Stack to Reach Ratio	1.51:1	1.45:1	1.4:1
Seat Tube Length, C-T	406mm	470mm	533mm
Top Tube Length, Effective/Horizontal HT Top	580mm	610mm	640mm
Top Tube Length, Actual C-C	562mm	586mm	615mm
Top Tube Slope	22.3deg	16.3deg	11.1deg
Head Tube Angle	70deg	70deg	70deg
Seat Tube Angle	73deg	73deg	73deg
Head Tube Length	105mm	120mm	135mm
Bottom Bracket Drop	65mm	65mm	65mm
Bottom Bracket Height	316.1mm	316.1mm	316.1mm
Chainstay Length	455mm	455mm	455mm
Chainstay Length Horizontal	450.3mm	450.3mm	450.3mm
Front-Center	642mm	673mm	704mm
Front-Center Horizontal	639.7mm	669.7mm	700.7mm
Wheelbase	1090mm	1120mm	1151mm
Fork Offset/Rake	45mm	45mm	45mm
Fork Length, Unknown	468mm	468mm	468mm
Trail	90.8mm very high	90.8mm very high	90.8mm very high
Mechanical Trail	85.3mm	85.3mm	85.3mm
Wheel Flop	29.2mm	29.2mm	29.2mm
Tire to Pedal Spindle	90.9mm 170 mm cranks	116.9mm 175 mm cranks	147.9mm 175 mm cranks
Pedal Spindle to Ground Clearance	146.1mm 170 mm cranks	141.1mm 175 mm cranks	141.1mm 175 mm cranks

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://web.archive.org/web/20171229083240/http://www.feltbicycles.com/USA/2016/Bikes/mountain/fat-bike/DD-10173485.aspx

Geometry