2021 Niner Bikes RLT e9 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake, E-bike
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

50
53
56
59
Stack
558mm
576mm
598mm
618mm
Reach
371mm
382mm
394mm
409mm
Stack to Reach Ratio
1.5:1
1.51:1
1.52:1
1.51:1
Seat Tube Length, C-T
444mm
474mm
502mm
532mm
Top Tube Length, Effective/Horizontal HT Top
531mm
553mm
577mm
598mm
Top Tube Slope
14.9deg
13.2deg
12.3deg
11deg
Head Tube Angle
70.5deg
71deg
71.5deg
72deg
Seat Tube Angle
74deg
73.5deg
73deg
73deg
Head Tube Length
100mm
117mm
143mm
163mm
Bottom Bracket Drop
75mm
75mm
75mm
75mm
Bottom Bracket Height
286mm
286mm
286mm
286mm
Chainstay Length
450mm
450mm
450mm
450mm
Chainstay Length Horizontal
443.7mm
443.7mm
443.7mm
443.7mm
Front-Center
593mm
606mm
622mm
637mm
Front-Center Horizontal
588.3mm
601.3mm
618.3mm
634.3mm
Wheelbase
1032mm
1045mm
1062mm
1078mm
Fork Offset/Rake
43.6mm
44.2mm
46.8mm
46.5mm
Trail
81.6mm
very high
77.5mm
high
71.5mm
high
68.4mm
high
Mechanical Trail
76.9mm
73.3mm
67.8mm
65.1mm
Wheel Flop
25.7mm
23.9mm
21.5mm
20.1mm
Standover Height
760mm
781mm
809mm
834mm
Tire to Pedal Spindle
62mm
170 mm cranks
75mm
170 mm cranks
91mm
170 mm cranks
106mm
170 mm cranks
Pedal Spindle to Ground Clearance
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks

Base Build

50
53
56
59
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
Tire Width
50mm
50mm
50mm
50mm
Tire Width Max
50mm
50mm
50mm
50mm
Tire Outer Diameter
722mm
722mm
722mm
722mm
Bike Length with Tires
1754mm
1767mm
1784mm
1800mm
Stem Length
90mm
Stem Angle
-7deg

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
All-road/Gravel
Source:https://www.ninerbikes.com/products/rlt-e9-rdo/