2019 Obed Bikes Boundary 650b

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
537mm
557mm
568mm
590mm
609mm
Reach
371mm
375mm
376mm
385mm
394mm
Stack to Reach Ratio
1.45:1
1.49:1
1.51:1
1.53:1
1.55:1
Seat Tube Length, C-TTT
490mm
520mm
540mm
560mm
580mm
Top Tube Length, Effective/Horizontal Center
520mm
535mm
550mm
565mm
580mm
Top Tube Slope
5.1deg
4.1deg
3.4deg
3.7deg
3.5deg
Head Tube Angle
70.5deg
71deg
71.5deg
72deg
72deg
Seat Tube Angle
74.5deg
74deg
73deg
73deg
73deg
Head Tube Length
120mm
140mm
150mm
170mm
190mm
Bottom Bracket Drop
67mm
67mm
67mm
67mm
67mm
Bottom Bracket Height
278mm
278mm
278mm
278mm
278mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
429.8mm
429.8mm
429.8mm
429.8mm
429.8mm
Front-Center
594mm
595mm
600mm
611mm
626mm
Front-Center Horizontal
590.2mm
591.2mm
596.2mm
607.2mm
622.2mm
Wheelbase
1020mm
1021mm
1026mm
1037mm
1052mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Fork Length (Axle-To-Crown)
395mm
395mm
395mm
395mm
395mm
Trail
69.1mm
high
65.9mm
high
62.7mm
mid/​neutral
59.5mm
mid/​neutral
59.5mm
mid/​neutral
Mechanical Trail
65.2mm
62.3mm
59.5mm
56.6mm
56.6mm
Wheel Flop
21.8mm
20.3mm
18.9mm
17.5mm
17.5mm
Tire to Pedal Spindle
79mm
170 mm cranks
80mm
170 mm cranks
85mm
170 mm cranks
96mm
170 mm cranks
111mm
170 mm cranks
Pedal Spindle to Ground Clearance
108mm
170 mm cranks
108mm
170 mm cranks
108mm
170 mm cranks
108mm
170 mm cranks
108mm
170 mm cranks

650b Build

XS
S
M
L
XL
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
53mm
53mm
53mm
53mm
53mm
Tire Outer Diameter
690mm
690mm
690mm
690mm
690mm
Bike Length with Tires
1710mm
1711mm
1716mm
1727mm
1742mm

Published Sizing Recommendations

Height
5 ft 1 in
to
5 ft 4 in
5 ft 4 in
to
5 ft 8 in
5 ft 7 in
to
5 ft 10 in
5 ft 10 in
to
6 ft 2 in
6 ft 1 in
to
6 ft 5 in

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
All-road/Gravel
Source:https://ocoeebikes.com/collections/gravel/products/boundary-frameset