2017 Rivendell Bicycle Works Bombadil Base 52

Build

650B/27.5 in × 55 mm

Insights

Very aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Rivendell Bicycle Works Bombadil
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs off-road touring bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
574mm
Reach
395mm
Stack to Reach Ratio
1.45:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal Center
583mm
Top Tube Length, Actual C-C
566.9mm
Top Tube Slope
6deg
Head Tube Angle
70.5deg
Seat Tube Angle
72deg
Bottom Bracket Drop
67mm
Bottom Bracket Height
280mm
Chainstay Length
450mm
Chainstay Length Max
450mm
Chainstay Length Horizontal
445mm
Chainstay Length Horizontal Max
445mm
Front-Center
637mm
Front-Center Horizontal
633.5mm
Wheelbase
1078.5mm
Wheelbase Max
1078.5mm
Fork Offset/Rake
54mm
Trail
65.6mm
high
Mechanical Trail
61.8mm
Wheel Flop
20.6mm
Standover Height
811mm
Tire to Pedal Spindle Distance
With 170 mm cranks
120mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
110mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
55mm
Tire Outer Diameter
694mm
Bike Length with Tires
1772.5mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Swept Back Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim
Source:https://web.archive.org/web/20170602082329/https://www.rivbike.com/pages/geometry