2021 Norco Bicycles Optic Carbon Frame S
Build
700C/29 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Norco Bicycles Optic
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 611mm |
| Reach | 420mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 395mm |
| Top Tube Length, Effective/Horizontal Center | 572mm |
| Top Tube Slope | 23.8deg |
| Head Tube Angle | 65deg |
| Seat Tube Angle | 76deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 38mm |
| Bottom Bracket Height | 334mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 423.3mm |
| Front-Center | 734.7mm |
| Front-Center Horizontal | 733.7mm |
| Wheelbase | 1157mm |
| Fork Offset/Rake | 42mm |
| Trail | 127.1mm very high |
| Mechanical Trail | 115.2mm |
| Wheel Flop | 48.7mm |
| Standover Height | 664mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 192.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 164mm |
Carbon Frame Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1900.9mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Rear Travel | 125mm |
| Suspension Sag | 25% |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.norco.com/bikes/2021/mountain/trail/optic/optic-c3/