2026 Niner Bikes RLT 9 Apex 50cm
Build
700C/29 in × 45 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Niner Bikes RLT 9
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 558mm |
| Reach | 365mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, C-T | 460mm |
| Top Tube Length, Effective/Horizontal HT Top | 525mm |
| Top Tube Slope | 13.3deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.5mm |
| Front-Center | 589mm |
| Front-Center Horizontal | 583.5mm |
| Wheelbase | 1012mm |
| Fork Offset/Rake | 45mm |
| Trail | 78.3mm high |
| Mechanical Trail | 73.8mm |
| Wheel Flop | 24.7mm |
| Standover Height | 728mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 63mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Apex Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1724mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
| Features | Single-speed capable |
Published Sizing Recommendations
| Height | 5 ft 2 in to 5 ft 6 in |
Source:https://www.ninerbikes.com/rlt-9-apex-xplr/