2020 Norco Bicycles Optic Carbon Frame
- Category
- Full-suspension Trail MTB
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 140mm fork travel
- Features
- Disc brake
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | Large | M | L | XL | |
Stack | 611mm | 602mm | 620mm | 629mm | 638mm |
Reach | 420mm | 455mm | 450mm | 480mm | 510mm |
Stack to Reach Ratio | 1.45:1 | 1.32:1 | 1.38:1 | 1.31:1 | 1.25:1 |
Seat Tube Length, C-T | 395mm | 485mm | 415mm | 445mm | 485mm |
Top Tube Length, Effective/Horizontal HT Top | 572mm | 622mm | 605mm | 637mm | 669mm |
Head Tube Angle | 65deg | 68deg | 65deg | 65deg | 65deg |
Seat Tube Angle, Unknown | — | 74.5deg | — | — | — |
Effective Seat Tube Angle, Unknown | 76deg | — | 76deg | 76deg | 76deg |
Head Tube Length | 100mm | 129mm | 110mm | 120mm | 130mm |
Bottom Bracket Drop | 33.7mm | 18mm | 33.7mm | 33.7mm | 33.7mm |
Bottom Bracket Height | 337mm | 332.4mm | 337mm | 337mm | 337mm |
Chainstay Length | 425mm | 435mm | 430mm | 435mm | 440mm |
Chainstay Length Horizontal | 423.7mm | 434.6mm | 428.7mm | 433.7mm | 438.7mm |
Front-Center | 734.1mm | 739mm | 768.1mm | 802mm | 837mm |
Front-Center Horizontal | 733.3mm | 739.4mm | 767.3mm | 801.3mm | 836.3mm |
Wheelbase | 1157mm | 1174mm | 1196mm | 1235mm | 1275mm |
Fork Offset/Rake | 42mm | 44.9mm | 42mm | 42mm | 42mm |
Fork Length, Unknown | — | 518mm | — | — | — |
Trail | 126.5mm very high | 93.2mm very high | 126.5mm very high | 126.5mm very high | 126.5mm very high |
Mechanical Trail | 114.7mm | 86.4mm | 114.7mm | 114.7mm | 114.7mm |
Wheel Flop | 48.5mm | 32.4mm | 48.5mm | 48.5mm | 48.5mm |
Standover Height | 664mm | 760mm | 680mm | 698mm | 719mm |
Tire to Pedal Spindle | 193.4mm 170 mm cranks | 218.6mm 170 mm cranks | 227.4mm 170 mm cranks | 261.3mm 170 mm cranks | 296.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 167mm 170 mm cranks | 162.4mm 170 mm cranks | 167mm 170 mm cranks | 167mm 170 mm cranks | 167mm 170 mm cranks |
Carbon Frame Build
S | Large | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.35in | 2.3in | 2.35in | 2.35in | 2.35in |
Tire Outer Diameter | 741.4mm | 700.8mm | 741.4mm | 741.4mm | 741.4mm |
Bike Length with Tires | 1898.4mm | 1874.8mm | 1937.4mm | 1976.4mm | 2016.4mm |
Crank Length | 170mm | — | 170mm | 170mm | 170mm |
Handlebar Width | — | 760mm | — | — | — |
Stem Length | 45mm | 60mm | 45mm | 45mm | 45mm |
Published Sizing Recommendations
Height | — | 5 ft 8 in to 6 ft 0 in | — | — | — |
Stack and Reach vs. Category Trend
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 ScaleCategory Trend
Full-suspension Trail MTBSource:https://www.norco.com/bikes/2020/mountain/trail/optic-carbon/optic-carbon-frame/, https://www.norco.com/bike-archives/2017/optic-c71/