2026 Giant Bicycles STP 26

Design
Moto/Klunker/Riser Bar, Rigid, suspension corrected
Frame
Aluminum
Features
Single-speed capable
Somewhat upright stack and reachvs category
Bar type unusual for category
This: Moto/Klunker/Riser Bar
Category: BMX Bar
vs category

Geometry

One Size
Stack
566mm
Reach
410mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, C-T
310mm
Top Tube Length, Effective/Horizontal HT Top
594mm
Top Tube Slope
28.2deg
Head Tube Angle
68.5deg
Seat Tube Angle
72deg
Head Tube Length
120mm
Bottom Bracket Drop
25mm
Bottom Bracket Height
311.7mm
Chainstay Length
385mm
Chainstay Length Horizontal
384.2mm
Front-Center
663.3mm
Front-Center Horizontal
662.8mm
Wheelbase
1047mm
Fork Offset/Rake
37mm
Trail
92.8mm
very high
Mechanical Trail
86.4mm
Wheel Flop
31.7mm
Standover Height
672mm
Tire to Pedal Spindle
161.6mm
165 mm cranks
Pedal Spindle to Ground Clearance
146.7mm
165 mm cranks

26 Build

One Size
Wheel Size
26 in
559 mm BSD
Tire Width
2.25in
Tire Outer Diameter
673.3mm
Bike Length with Tires
1720.3mm
Crank Length
165mm
Stem Length
35mm

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
Source:https://www.giant-bicycles.com/au/stp-26-2026