2025 Apex Onyx GX Carbon 54
Build
700C/29 in × 45 mm
Insights
Somewhat upright stack and reach vs trend of progressive gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 572mm |
| Reach | 384mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 520mm |
| Seat Tube Length, C-C | 480mm |
| Top Tube Length, Effective/Horizontal HT Top | 553mm |
| Top Tube Slope | 7.9deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 280mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.3mm |
| Front-Center | 607mm |
| Front-Center Horizontal | 602.7mm |
| Wheelbase | 1031mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 399mm |
| Trail | 66.4mm high |
| Mechanical Trail | 63mm |
| Wheel Flop | 20mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 81mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 110mm |
Carbon Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1743mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:apexbikes.cc