2009 Niner Bikes MCR 9 Niner Rigid Fork (100mm equiv)

	Small	Medium	Large	X-Large
Stack	615.4mm	627mm	632.4mm	656.3mm
Reach	414.4mm	427.1mm	443.5mm	457mm
Stack to Reach Ratio	1.49:1	1.47:1	1.43:1	1.44:1
Seat Tube Length, C-C	394mm	419mm	483mm	546mm
Top Tube Length, Effective/Horizontal HT Top	587mm	603mm	622mm	641mm
Top Tube Slope	20deg	20deg	20deg	20deg
Head Tube Angle	71.5deg	72deg	72deg	72deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	90mm	100mm	110mm	130mm
Bottom Bracket Drop	60.6mm	60.8mm	56.6mm	61.5mm
Bottom Bracket Height	311.4mm	311.2mm	315.3mm	310.5mm
Chainstay Length	445mm	445mm	445mm	445mm
Chainstay Length Horizontal	440.9mm	440.8mm	441.4mm	440.7mm
Front-Center	645mm	656mm	675mm	695mm
Front-Center Horizontal	642.2mm	653.2mm	672.6mm	692.3mm
Wheelbase	1083mm	1094mm	1114mm	1133mm
Fork Offset/Rake	40mm	40mm	40mm	40mm
Fork Length, Unknown	490mm	490mm	490mm	490mm
Trail	82.3mm very high	78.8mm high	78.8mm high	78.8mm high
Mechanical Trail	78mm	74.9mm	74.9mm	74.9mm
Wheel Flop	24.8mm	23.2mm	23.2mm	23.2mm
Standover Height	716mm	737mm	788mm	840mm
Tire to Pedal Spindle	103mm 170 mm cranks	114mm 170 mm cranks	133mm 170 mm cranks	153mm 170 mm cranks
Pedal Spindle to Ground Clearance	141.4mm 170 mm cranks	141.2mm 170 mm cranks	145.3mm 170 mm cranks	140.5mm 170 mm cranks

Published Sizing Recommendations

Height	5 ft 3 in to 5 ft 9 in	5 ft 8 in to 6 ft 0 in	5 ft 11 in to 8 ft 10 in	6 ft 3 in to 6 ft 7 in
PBH	29 in to 31 in	30 in to 33 in	32 in to 34 in	34 in to 38 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:http://www.meridian-cycles.com/documents/09_ninercatalog_low.pdf