2016 Ritchey Design Ascent Base S

Build

650B/27.5 in × 48 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
563mm
Reach
380mm
Stack to Reach Ratio
1.48:1
Seat Tube Length, C-T
450mm
Top Tube Length, Effective/Horizontal Center
548mm
Top Tube Length, Actual C-C
526mm
Top Tube Slope
13.8deg
Head Tube Angle
70deg
Seat Tube Angle
73.5deg
Head Tube Length
130mm
Bottom Bracket Drop
68mm
Bottom Bracket Height
272mm
Chainstay Length
445mm
Chainstay Length Horizontal
439.8mm
Front-Center
619mm
Front-Center Horizontal
615.2mm
Wheelbase
1055mm
Fork Offset/Rake
52mm
Fork Length (Axle-To-Crown)
410mm
Trail
68.4mm
high
Mechanical Trail
64.3mm
Wheel Flop
22mm
Standover Height
754mm
Tire to Pedal Spindle Distance
With 170 mm cranks
109mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
102mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
48mm
Tire Outer Diameter
680mm
Bike Length with Tires
1735mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Features
Frame couplers
Source:https://contenderbicycles.com/product/ritchey-ascent-break-away-frameset/