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