2017 Norco Bicycles Optic C9.3 XL
Build
700C/29 in × 2.35 in
Insights
Somewhat aggressive stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Norco Bicycles Optic
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 638mm |
| Reach | 530mm |
| Stack to Reach Ratio | 1.2:1 |
| Seat Tube Length, C-T | 485mm |
| Top Tube Length, Effective/Horizontal HT Top | 662mm |
| Head Tube Angle | 68.5deg |
| Effective Seat Tube Angle, Unknown | 74.1deg |
| Head Tube Length | 112mm |
| Bottom Bracket Drop | 39mm |
| Bottom Bracket Height | 331.7mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 438.3mm |
| Front-Center | 769mm |
| Front-Center Horizontal | 767.7mm |
| Wheelbase | 1206mm |
| Fork Offset/Rake | 1.7mm |
| Trail | 144.2mm very high |
| Mechanical Trail | 134.2mm |
| Wheel Flop | 49.2mm |
| Standover Height | 780mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 223.3mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 156.7mm |
C9.3 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 741.4mm |
| Bike Length with Tires | 1947.4mm |
| Crank Length | 175mm |
| Stem Length | 50mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Rear Travel | 110mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | N/A |
| Brake Type | Disc |
Source:https://www.norco.com/bike-archives/2017/optic-c93/