2021 Cycles Grand Bois ER650 Base 580
Build
650B/27.5 in × 42 mm
Insights
Design deviates from other sizes of Cycles Grand Bois ER650
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Seat Tube Length, C-C | 580mm |
| Top Tube Length, Actual C-C | 560mm |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 72deg |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.1mm |
| Fork Offset/Rake | 60mm |
| Fork Length (Axle-To-Crown) | 375mm |
| Trail | 45.4mm mid/neutral |
| Mechanical Trail | 43.2mm |
| Wheel Flop | 13.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 668mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://grandbois.jp/semi_order/