2021 Niner Bikes RLT 9 Steel Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
47cm | 50cm | 53cm | 56cm | 59cm | 62cm | |
Stack | 543mm | 558mm | 579mm | 597mm | 615mm | 636mm |
Reach | 365mm | 367mm | 375mm | 384mm | 394mm | 406mm |
Stack to Reach Ratio | 1.49:1 | 1.52:1 | 1.54:1 | 1.55:1 | 1.56:1 | 1.57:1 |
Seat Tube Length, C-T | 470mm | 500mm | 530mm | 560mm | 590mm | 620mm |
Top Tube Length, Effective/Horizontal HT Top | 510mm | 525mm | 545mm | 565mm | 585mm | 605mm |
Top Tube Slope | 10.4deg | 8.7deg | 7.7deg | 6.4deg | 5.1deg | 4.3deg |
Head Tube Angle | 70deg | 70.5deg | 71deg | 71.5deg | 72deg | 72.5deg |
Seat Tube Angle | 74.5deg | 74deg | 73.5deg | 73deg | 73deg | 72.5deg |
Head Tube Length | 110mm | 125mm | 145mm | 165mm | 185mm | 205mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 276mm | 276mm | 276mm | 281mm | 281mm | 281mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 428.5mm | 428.5mm | 428.5mm | 429.3mm | 429.3mm | 429.3mm |
Front-Center | 583mm | 589mm | 600mm | 611mm | 626mm | 635mm |
Front-Center Horizontal | 579.5mm | 586.5mm | 596.5mm | 608.7mm | 623.7mm | 632.7mm |
Wheelbase | 1008mm | 1015mm | 1025mm | 1038mm | 1053mm | 1062mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Trail | 79.9mm high | 76.6mm high | 73.3mm high | 70mm high | 66.7mm high | 63.5mm mid/neutral |
Mechanical Trail | 75.1mm | 72.2mm | 69.3mm | 66.4mm | 63.5mm | 60.6mm |
Wheel Flop | 25.7mm | 24.1mm | 22.6mm | 21.1mm | 19.6mm | 18.2mm |
Standover Height | 735mm | 757mm | 781mm | 809mm | 835mm | 860mm |
Tire to Pedal Spindle | 62mm 170 mm cranks | 68mm 170 mm cranks | 79mm 170 mm cranks | 90mm 170 mm cranks | 105mm 170 mm cranks | 114mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 106mm 170 mm cranks | 106mm 170 mm cranks | 106mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks |
Base Build
47cm | 50cm | 53cm | 56cm | 59cm | 62cm | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Tire Width Max | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 702mm | 702mm | 702mm | 702mm | 702mm | 702mm |
Bike Length with Tires | 1710mm | 1717mm | 1727mm | 1740mm | 1755mm | 1764mm |
Published Sizing Recommendations
Height | 4 ft 11 in to 5 ft 3 in | 5 ft 2 in to 5 ft 6 in | 5 ft 5 in to 5 ft 9 in | 5 ft 8 in to 6 ft 0 in | 5 ft 11 in to 6 ft 3 in | 6 ft 2 in to 6 ft 6 in |
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 ScaleCategory Trend
All-road/GravelSource:https://ninerbikes.com/products/rlt-9-steel