2021 Cycles Grand Bois ER650 Base

Geometry

480
500
520
540
560
580
600
620
Seat Tube Length, C-C
480mm
500mm
520mm
540mm
560mm
580mm
600mm
620mm
Top Tube Length, Actual C-C
520mm
520mm
525mm
535mm
545mm
560mm
580mm
580mm
Head Tube Angle
71deg
71deg
71deg
72deg
72deg
72deg
72deg
72deg
Seat Tube Angle
74deg
74deg
73deg
73deg
73deg
72deg
72deg
72deg
Bottom Bracket Drop
65mm
65mm
65mm
65mm
65mm
65mm
65mm
65mm
Bottom Bracket Height
269mm
269mm
269mm
269mm
269mm
269mm
269mm
269mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
430mm
445mm
445mm
Chainstay Length Horizontal
425.1mm
425.1mm
425.1mm
425.1mm
425.1mm
425.1mm
440.2mm
440.2mm
Fork Offset/Rake
60mm
60mm
60mm
60mm
60mm
60mm
60mm
60mm
Fork Length (Axle-To-Crown)
375mm
Trail
51.6mm
mid/​neutral
51.6mm
mid/​neutral
51.6mm
mid/​neutral
45.4mm
mid/​neutral
45.4mm
mid/​neutral
45.4mm
mid/​neutral
45.4mm
mid/​neutral
45.4mm
mid/​neutral
Mechanical Trail
48.7mm
48.7mm
48.7mm
43.2mm
43.2mm
43.2mm
43.2mm
43.2mm
Wheel Flop
15.9mm
15.9mm
15.9mm
13.4mm
13.4mm
13.4mm
13.4mm
13.4mm
Pedal Spindle to Ground Clearance
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

Base Build

480
500
520
540
560
580
600
620
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
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
42mm
42mm
42mm
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
668mm
668mm
668mm
668mm
668mm
668mm
668mm
668mm
Source:https://grandbois.jp/semi_order/