2019 Norco Bicycles Sight A1 S 27.5"
Build
650B/27.5 in × 2.5 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Design deviates from other sizes of Norco Bicycles Sight
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 590mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, Unknown | 405mm |
| Top Tube Length, Effective/Horizontal Unknown | 564mm |
| Head Tube Angle | 66deg |
| Effective Seat Tube Angle, Unknown | 74.4deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 12mm |
| Bottom Bracket Height | 343.5mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 424.8mm |
| Front-Center | 705mm |
| Front-Center Horizontal | 705.2mm |
| Wheelbase | 1130mm |
| Fork Offset/Rake | 43.7mm |
| Fork Length, Unknown | 552mm |
| Trail | 110.5mm very high |
| Mechanical Trail | 100.9mm |
| Wheel Flop | 41mm |
| Standover Height | 772mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 179.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 173.5mm |
A1 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 711mm |
| Bike Length with Tires | 1841mm |
| Crank Length | 170mm |
| Stem Length | 60mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 160mm |
| Rear Travel | 140mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.norco.com/bike-archives/2019/sight-a1/