2021 Planet X Rocky Road Base Medium

Build

700C/29 in × 2.3 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
624mm
Reach
426mm
Stack to Reach Ratio
1.46:1
Seat Tube Length, C-T
432mm
Top Tube Length, Effective/Horizontal HT Top
605mm
Top Tube Slope
21deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
100mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
299.4mm
Chainstay Length
450mm
Chainstay Length Horizontal
444.5mm
Front-Center
673mm
Front-Center Horizontal
689.5mm
Wheelbase
1134mm
Fork Offset/Rake
58.1mm
Trail
72.6mm
high
Mechanical Trail
68.2mm
Wheel Flop
23.3mm
Tire to Pedal Spindle Distance
With 170 mm cranks
133.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
129.4mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.3in
Tire Outer Diameter
738.8mm
Bike Length with Tires
1872.8mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Titanium
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

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