2026 BlackOps SpecOps 29 Disc

Design
BMX Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Steel
Features
Disc brake, Single-speed capable

Geometry

17inch
17inch
Stack
—
605.4mm
Reach
—
409.8mm
Stack to Reach Ratio
—
1.48:1
Seat Tube Length, Unknown
—
431.8mm
Top Tube Length, Effective/Horizontal HT Top
—
619.8mm
Top Tube Length, Actual C-C
—
586.7mm
Head Tube Angle
—
71deg
Seat Tube Angle
—
71deg
Head Tube Length
—
124.5mm
Bottom Bracket Drop
—
63.5mm
Bottom Bracket Height
—
311mm
Chainstay Length
—
464.8mm
Chainstay Length Horizontal
—
460.5mm
Front-Center
—
642.5mm
Front-Center Horizontal
—
639.4mm
Wheelbase
—
1099.8mm
Fork Offset/Rake
—
40.6mm
Fork Length, Unknown
—
444.5mm
Trail
—
—
86mm
very high
Mechanical Trail
—
81.3mm
Wheel Flop
—
26.5mm
Standover Height
—
749.3mm
Tire to Pedal Spindle
—
170 mm cranks
93mm
175 mm cranks
Pedal Spindle to Ground Clearance
—
170 mm cranks
136mm
175 mm cranks

Disc Build

17inch
17inch
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.5in
2.5in
Tire Outer Diameter
749mm
749mm
Bike Length with Tires
—
1848.8mm
Crank Length
—
175mm
Handlebar Width
—
30in
Stem Length
—
50mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
BMX/Dirt Jump