2021 Planet X Rocky Road Base Small

Build

700C/29 in × 2.1 in

Insights

Somewhat upright stack and reach vs trend of rigid mtb bikes
Design deviates from other sizes of Planet X Rocky Road

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
616mm
Reach
403mm
Stack to Reach Ratio
1.53:1
Seat Tube Length, C-T
394mm
Top Tube Length, Effective/Horizontal HT Top
580mm
Top Tube Slope
24.9deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
92mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
294.3mm
Chainstay Length
450mm
Chainstay Length Horizontal
444.5mm
Front-Center
647mm
Front-Center Horizontal
643.5mm
Wheelbase
1088mm
Fork Offset/Rake
39.2mm
Trail
90.9mm
very high
Mechanical Trail
85.4mm
Wheel Flop
29.2mm
Tire to Pedal Spindle Distance
With 170 mm cranks
112.7mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
124.3mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.1in
Tire Outer Diameter
728.7mm
Bike Length with Tires
1816.7mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Titanium
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
160 cm
to
170 cm
Source:https://www.planetx.co.uk/i/q/CBOORRSX/on-one-rocky-road-sram-sx-titanium-adventure-bike