2023 Norco Bicycles Optic Carbon Frame

	S	S	S	M	M	L	L	XL	XL
Stack	611mm	611mm	611mm	620mm	620mm	629mm	629mm	638mm	638mm
Reach	420mm	420mm	420mm	450mm	450mm	480mm	480mm	510mm	510mm
Stack to Reach Ratio	1.45:1	1.45:1	1.45:1	1.38:1	1.38:1	1.31:1	1.31:1	1.25:1	1.25:1
Seat Tube Length, Unknown	395mm	395mm	395mm	415mm	415mm	445mm	445mm	485mm	485mm
Top Tube Length, Effective/Horizontal HT Top	—	—	572mm	—	—	—	—	—	—
Top Tube Length, Actual C-C	572mm	572mm	—	605mm	605mm	637mm	637mm	669mm	669mm
Top Tube Slope	23.8deg	23.8deg	23.8deg	21.6deg	21.6deg	18.6deg	18.6deg	14.9deg	14.9deg
Head Tube Angle	65deg	65deg	65deg	65deg	65deg	65deg	65deg	65deg	65deg
Seat Tube Angle	76deg	76deg	76deg	76deg	76deg	76deg	76deg	76deg	76deg
Head Tube Length	100mm	100mm	100mm	110mm	110mm	120mm	120mm	130mm	130mm
Bottom Bracket Drop	38mm	38mm	38mm	38mm	38mm	38mm	38mm	38mm	38mm
Bottom Bracket Height	334mm	334mm	332.7mm	334mm	334mm	334mm	334mm	334mm	334mm
Chainstay Length	—	425mm	425mm	—	430mm	—	435mm	—	440mm
Chainstay Length Horizontal	—	423.3mm	423.3mm	—	428.3mm	—	433.3mm	—	438.4mm
Front-Center	734.5mm	734.7mm	734.7mm	768.7mm	768.6mm	802.8mm	802.6mm	837mm	837.5mm
Front-Center Horizontal	733.5mm	733.7mm	733.7mm	767.7mm	767.7mm	801.9mm	801.7mm	836.1mm	836.6mm
Wheelbase	1157mm	1157mm	1157mm	1196mm	1196mm	1235mm	1235mm	1275mm	1275mm
Fork Offset/Rake	42mm	42mm	42mm	42mm	42mm	42mm	42mm	42mm	42mm
Trail	127.1mm very high	127.1mm very high	126.5mm very high	127.1mm very high	127.1mm very high	127.1mm very high	127.1mm very high	127.1mm very high	127.1mm very high
Mechanical Trail	115.2mm	115.2mm	114.7mm	115.2mm	115.2mm	115.2mm	115.2mm	115.2mm	115.2mm
Wheel Flop	48.7mm	48.7mm	48.5mm	48.7mm	48.7mm	48.7mm	48.7mm	48.7mm	48.7mm
Standover Height	664mm	664mm	664mm	680mm	680mm	698mm	698mm	719mm	719mm
Tire to Pedal Spindle	192.6mm 170 mm cranks	192.7mm 170 mm cranks	194mm 170 mm cranks	226.7mm 170 mm cranks	226.7mm 170 mm cranks	260.9mm 170 mm cranks	260.6mm 170 mm cranks	295mm 170 mm cranks	295.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	164mm 170 mm cranks	164mm 170 mm cranks	162.7mm 170 mm cranks	164mm 170 mm cranks	164mm 170 mm cranks	164mm 170 mm cranks	164mm 170 mm cranks	164mm 170 mm cranks	164mm 170 mm cranks

	S	S	S	M	M	L	L	XL	XL
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	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	2.4in	2.4in	2.35in	2.4in	2.4in	2.4in	2.4in	2.4in	2.4in
Tire Width Max	2.6in	2.6in	—	2.6in	2.6in	2.6in	2.6in	2.6in	2.6in
Tire Outer Diameter	743.9mm	743.9mm	741.4mm	743.9mm	743.9mm	743.9mm	743.9mm	743.9mm	743.9mm
Bike Length with Tires	1900.9mm	1900.9mm	1898.4mm	1939.9mm	1939.9mm	1978.9mm	1978.9mm	2018.9mm	2018.9mm
Crank Length	170mm	170mm	170mm	170mm	170mm	170mm	170mm	170mm	170mm
Stem Length	40mm	40mm	45mm	40mm	40mm	40mm	40mm	40mm	40mm

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

Full-suspension Trail MTB

Source:https://www.norco.com/bikes/mountain/trail/optic/2023-optic-c3/, https://www.norco.com/bikes/mountain/trail/optic/2023-optic-c-axs/, https://www.norco.com/bikes/mountain/trail/optic/2023-optic-c1/

Suggest Bike Edit

2023 Norco Bicycles Optic Carbon Frame

Geometry

Carbon Frame Build

Stack and Reach vs. Category Trend