2019 Bearclaw Bicycle Co. Thunderhawk 650b Road+ 62
Build
650B/27.5 in × 2.1 in
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Bearclaw Bicycle Co. Thunderhawk
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 640.9mm |
| Reach | 414.7mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, Unknown | 620mm |
| Top Tube Length, Effective/Horizontal Unknown | 623mm |
| Top Tube Slope | 4.8deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 72deg |
| Head Tube Length | 210mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 277.3mm |
| Chainstay Length | 428mm |
| Chainstay Length Horizontal | 422.6mm |
| Front-Center | 646.3mm |
| Front-Center Horizontal | 642.7mm |
| Wheelbase | 1065.3mm |
| Fork Offset/Rake | 47mm |
| Fork Length, Unknown | 405mm |
| Trail | 59.6mm mid/neutral |
| Mechanical Trail | 56.9mm |
| Wheel Flop | 17.1mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 126mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 102.3mm |
650b Road+ Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.1in |
| Tire Outer Diameter | 690.7mm |
| Bike Length with Tires | 1756mm |
| Crank Length | 175mm |
| Handlebar Width | 46cm |
| Stem Length | 120mm |
| Stem Angle | 10deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 6 ft 5 in to 6 ft 8 in |
Source:https://bearclawbicycleco.com/thunderhawk-titanium-650b-gravel-bike/