2017 Niner Bikes RLT 9 Steel Base

	47	50	53	56	59	62
Stack	537mm	553mm	589mm	595mm	610mm	631mm
Reach	361mm	367mm	375mm	389mm	398mm	406mm
Stack to Reach Ratio	1.49:1	1.51:1	1.57:1	1.53:1	1.53:1	1.55:1
Seat Tube Length, C-T	470mm	500mm	530mm	560mm	590mm	620mm
Top Tube Length, Effective/Horizontal HT Top	510mm	525mm	545mm	565mm	585mm	605mm
Top Tube Slope	9.8deg	8.2deg	8.7deg	6.1deg	4.6deg	3.8deg
Head Tube Angle	70deg	70.5deg	71deg	71.5deg	72deg	72.5deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	110mm	125mm	145mm	165mm	185mm	205mm
Bottom Bracket Drop	70mm	70mm	70mm	65mm	65mm	65mm
Bottom Bracket Height	285.5mm	285.5mm	285.5mm	290.5mm	290.5mm	290.5mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Max	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.3mm	429.3mm	429.3mm	430.1mm	430.1mm	430.1mm
Chainstay Length Horizontal Max	429.3mm	429.3mm	429.3mm	430.1mm	430.1mm	430.1mm
Front-Center	582.9mm	589.8mm	599.8mm	611.4mm	626.3mm	635.2mm
Front-Center Horizontal	578.7mm	585.7mm	595.7mm	607.9mm	622.9mm	631.9mm
Wheelbase	1008mm	1015mm	1025mm	1038mm	1053mm	1062mm
Wheelbase Max	1008mm	1015mm	1025mm	1038mm	1053mm	1062mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm
Trail	81.5mm very high	78.1mm high	74.8mm high	71.5mm high	68.2mm high	64.9mm mid/neutral
Mechanical Trail	76.6mm	73.7mm	70.7mm	67.8mm	64.8mm	61.9mm
Wheel Flop	26.2mm	24.6mm	23mm	21.5mm	20mm	18.6mm
Standover Height	749mm	770mm	795mm	819mm	849mm	873mm
Tire to Pedal Spindle	57.4mm 170 mm cranks	64.4mm 170 mm cranks	74.3mm 170 mm cranks	85.9mm 170 mm cranks	100.8mm 170 mm cranks	109.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	115.5mm 170 mm cranks	115.5mm 170 mm cranks	115.5mm 170 mm cranks	120.5mm 170 mm cranks	120.5mm 170 mm cranks	120.5mm 170 mm cranks

	47	50	53	56	59	62
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	1.75in	1.75in	1.75in	1.75in	1.75in	1.75in
Tire Width Max	1.75in	1.75in	1.75in	1.75in	1.75in	1.75in
Tire Outer Diameter	710.9mm	710.9mm	710.9mm	710.9mm	710.9mm	710.9mm
Bike Length with Tires	1718.9mm	1725.9mm	1735.9mm	1748.9mm	1763.9mm	1772.9mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

All-road/Gravel

Source:Bike Counterculture Geometry Database

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2017 Niner Bikes RLT 9 Steel Base

Geometry

Base Build

Stack and Reach vs. Category Trend