2021 Ribble Cycles CGR SL 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
548.5mm
561mm
592mm
610.7mm
Reach
371mm
375mm
379mm
389mm
396mm
Stack to Reach Ratio
1.45:1
1.46:1
1.48:1
1.52:1
1.54:1
Seat Tube Length, C-T
460mm
480mm
500mm
520mm
540mm
Top Tube Length, Effective/Horizontal HT Top
530mm
545mm
555mm
570mm
590mm
Top Tube Slope
10.7deg
9.7deg
8.9deg
9.9deg
9.7deg
Head Tube Angle
70.5deg
71deg
71.5deg
72deg
72deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
72.5deg
Head Tube Length
130mm
140mm
155mm
180mm
200mm
Bottom Bracket Drop
69mm
69mm
69mm
69mm
69mm
Bottom Bracket Height
270mm
270mm
270mm
270mm
270mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
429.5mm
429.5mm
429.5mm
429.5mm
429.5mm
Front-Center
593mm
599mm
600.7mm
615.5mm
616mm
Front-Center Horizontal
589.5mm
595.5mm
595.5mm
611.5mm
624.5mm
Wheelbase
1019mm
1025mm
1025mm
1041mm
1054mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Trail
67mm
high
63.9mm
mid/​neutral
60.7mm
mid/​neutral
57.6mm
mid/​neutral
57.6mm
mid/​neutral
Mechanical Trail
63.2mm
60.4mm
57.6mm
54.8mm
54.8mm
Wheel Flop
21.1mm
19.7mm
18.3mm
16.9mm
16.9mm
Tire to Pedal Spindle
84mm
170 mm cranks
90mm
170 mm cranks
91.7mm
170 mm cranks
106.5mm
170 mm cranks
107mm
170 mm cranks
Pedal Spindle to Ground Clearance
100mm
170 mm cranks
100mm
170 mm cranks
100mm
170 mm cranks
100mm
170 mm cranks
100mm
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
47mm
47mm
47mm
47mm
47mm
Tire Width Max
52mm
52mm
52mm
52mm
52mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
Bike Length with Tires
1697mm
1703mm
1703mm
1719mm
1732mm

Published Sizing Recommendations

Height
162 cm
to
170 cm
170 cm
to
175 cm
175 cm
to
180 cm
180 cm
to
185 cm
185 cm
to
194 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
All-road/Gravel
Source:https://www.ribblecycles.co.uk/ribble-cgr-sl-shimano-grx/