2014 Norco Bicycles Threshold A1 51
Build
700C/29 in × 35 mm
Insights
Average stack and reach vs trend of cyclocross bikes
Design deviates from other sizes of Norco Bicycles Threshold
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 552mm |
| Reach | 374mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 510mm |
| Top Tube Length, Effective/Horizontal Unknown | 532.5mm |
| Top Tube Slope | 6.8deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70.4mm |
| Bottom Bracket Height | 275.6mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.2mm |
| Front-Center | 591mm |
| Front-Center Horizontal | 586.8mm |
| Wheelbase | 1011mm |
| Fork Offset/Rake | 72.5mm |
| Fork Length, Unknown | 390mm |
| Trail | 42.5mm low |
| Mechanical Trail | 40.2mm |
| Wheel Flop | 13.1mm |
| Standover Height | 767mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 75mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 105.6mm |
A1 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1703mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.norco.com/bike-archives/2014/threshold-a1/
