2025 Rivendell Bicycle Works Roadini Base Lugged

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake
Very upright stack and reachvs category
Very upright stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category

Geometry

47cm
47cm
50cm
50cm
54cm
54cm
57cm
57cm
61cm
61cm
Stack
530mm
530mm
563mm
563mm
602mm
602mm
632mm
632mm
672mm
672mm
Reach
347mm
347mm
384mm
384mm
385mm
385mm
385mm
385mm
387mm
387mm
Stack to Reach Ratio
1.53:1
1.53:1
1.47:1
1.47:1
1.56:1
1.56:1
1.64:1
1.64:1
1.74:1
1.74:1
Seat Tube Length, C-T
470mm
—
500mm
—
540mm
—
570mm
—
610mm
—
Top Tube Length, Effective/Horizontal HT Top
—
515mm
—
562mm
—
575mm
—
590mm
—
605mm
Top Tube Length, Effective/Horizontal Unknown
515mm
—
562mm
—
575mm
—
590mm
—
605mm
—
Top Tube Slope
6deg
6deg
6deg
6deg
6deg
6deg
6deg
6deg
6deg
6deg
Head Tube Angle
71deg
71deg
72deg
72deg
72deg
72deg
72.5deg
72.5deg
72.5deg
72.5deg
Seat Tube Angle
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
72.5deg
72deg
72deg
72deg
72deg
Head Tube Length
112.2mm
—
134.7mm
—
175mm
—
205.1mm
—
247.1mm
—
Bottom Bracket Drop
67mm
67mm
75mm
75mm
75mm
75mm
75mm
75mm
75mm
75mm
Bottom Bracket Height
263mm
263mm
274mm
274mm
274mm
274mm
274mm
274mm
274mm
274mm
Chainstay Length
440mm
440mm
445mm
445mm
450mm
450mm
456mm
456mm
466mm
466mm
Chainstay Length Horizontal
434.9mm
434.9mm
438.6mm
438.6mm
443.7mm
443.7mm
449.8mm
449.8mm
459.9mm
459.9mm
Front-Center
563.3mm
—
599.8mm
—
600mm
—
617.6mm
—
632.1mm
—
Front-Center Horizontal
559.3mm
—
595.1mm
—
595.3mm
—
613.1mm
—
627.7mm
—
Wheelbase
994.2mm
—
1033.8mm
—
1039mm
—
1062.8mm
—
1087.6mm
—
Fork Offset/Rake
50mm
—
50mm
—
50mm
—
50mm
—
50mm
—
Fork Length (Axle-To-Crown)
378mm
—
378mm
—
378mm
—
378mm
—
378mm
—
Trail
60.8mm
mid/​neutral
—
—
60.8mm
mid/​neutral
—
—
60.8mm
mid/​neutral
—
—
57.6mm
mid/​neutral
—
—
57.6mm
mid/​neutral
—
—
Mechanical Trail
57.4mm
—
57.9mm
—
57.9mm
—
55mm
—
55mm
—
Wheel Flop
18.7mm
—
17.9mm
—
17.9mm
—
16.5mm
—
16.5mm
—
Standover Height
742mm
742mm
780mm
780mm
817mm
817mm
846mm
846mm
885mm
885mm
Tire to Pedal Spindle
63.3mm
170 mm cranks
—
170 mm cranks
80.8mm
170 mm cranks
—
170 mm cranks
81mm
170 mm cranks
—
170 mm cranks
98.6mm
170 mm cranks
—
170 mm cranks
113.1mm
170 mm cranks
—
170 mm cranks
Pedal Spindle to Ground Clearance
93mm
170 mm cranks
93mm
170 mm cranks
104mm
170 mm cranks
104mm
170 mm cranks
104mm
170 mm cranks
104mm
170 mm cranks
104mm
170 mm cranks
104mm
170 mm cranks
104mm
170 mm cranks
104mm
170 mm cranks

Base Lugged Build

47cm
47cm
50cm
50cm
54cm
54cm
57cm
57cm
61cm
61cm
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
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
38mm
38mm
38mm
38mm
38mm
38mm
38mm
38mm
38mm
38mm
Tire Width Max
42mm
42mm
42mm
42mm
42mm
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
660mm
660mm
698mm
698mm
698mm
698mm
698mm
698mm
698mm
698mm
Bike Length with Tires
1654.2mm
—
1731.8mm
—
1737mm
—
1760.8mm
—
1785.6mm
—
Crank Length
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm

Published Sizing Recommendations

PBH
74.5 cm
to
77.5 cm
74.5 cm
to
77.5 cm
78 cm
to
83 cm
78 cm
to
83 cm
82 cm
to
87 cm
82 cm
to
87 cm
85 cm
to
90 cm
85 cm
to
90 cm
89 cm
to
96 cm
89 cm
to
96 cm

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
Sport Touring
Source:https://cdn.shopify.com/s/files/1/1403/7343/files/RBW_Bicycle_Geometries_August_2025.pdf?v=1755816394