2026 BlackOps BMX Base 17"
Build
700C/29 in × 2.5 in
Insights
Design deviates from other sizes of BlackOps BMX
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 42mm |
| Reach | 9.9mm |
| Stack to Reach Ratio | 4.25:1 |
| Seat Tube Length, C-T | 17mm |
| Top Tube Length, Effective/Horizontal Center | 24.4mm |
| Top Tube Length, Actual C-C | 23.1mm |
| Top Tube Slope | 16.1deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 71deg |
| Head Tube Length | 4.9mm |
| Bottom Bracket Drop | 2.5mm |
| Bottom Bracket Height | 372mm |
| Chainstay Length | 18.3mm |
| Chainstay Length Horizontal | 18.1mm |
| Front-Center | 25.3mm |
| Front-Center Horizontal | 25.2mm |
| Wheelbase | 43.3mm |
| Fork Offset/Rake | 1.6mm |
| Fork Length (Axle-To-Crown) | 17.5mm |
| Trail | 127.3mm very high |
| Mechanical Trail | 120.3mm |
| Wheel Flop | 39.2mm |
| Standover Height | 29.5mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | -524.2mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 197mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 792.3mm |
| Crank Length | 175mm |
| Handlebar Width | 306mm |
| Stem Length | 50mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | BMX Bar |
| Frame Material | Aluminum |
| Fork Material | Steel |
| Brake Type | Disc |
Source:https://blackops.bike/products/specop-29-disc-21882
