2019 Norco Bicycles Threshold Aluminum Single Speed 50.5
Build
700C/29 in × 33 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 | 537mm |
| Reach | 374mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 505mm |
| Top Tube Length, Effective/Horizontal HT Top | 522.5mm |
| Head Tube Angle | 70.5deg |
| Effective Seat Tube Angle, Unknown | 74.5deg |
| Head Tube Length | 117.5mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 274mm |
| Chainstay Length | 427mm |
| Chainstay Length Horizontal | 421.2mm |
| Front-Center | 597mm |
| Front-Center Horizontal | 592.8mm |
| Wheelbase | 1014mm |
| Fork Offset/Rake | 50.3mm |
| Fork Length (On-Axis) | 395mm |
| Trail | 68.4mm high |
| Mechanical Trail | 64.5mm |
| Wheel Flop | 21.5mm |
| Standover Height | 767mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 83mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 104mm |
Aluminum Single Speed Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 33mm |
| Tire Outer Diameter | 688mm |
| Bike Length with Tires | 1702mm |
| Crank Length | 170mm |
| Stem Length | 90mm |
| 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/bikes/2019/dirt-dropbar/cyclocross/threshold-aluminum/threshold-aluminum-single-speed/