2018 Bearclaw Bicycle Co. Thunderhawk 650b Road+ 48
Build
650B/27.5 in × 47 mm
Insights
Somewhat upright 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 | 555mm |
| Reach | 365mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, Unknown | 480mm |
| Top Tube Length, Effective/Horizontal Center | 520mm |
| Top Tube Slope | 10.7deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 271mm |
| Chainstay Length | 428mm |
| Chainstay Length Horizontal | 422.6mm |
| Front-Center | 598.8mm |
| Front-Center Horizontal | 594.9mm |
| Wheelbase | 1017.5mm |
| Fork Offset/Rake | 47mm |
| Fork Length, Unknown | 400mm |
| Trail | 76.6mm high |
| Mechanical Trail | 71.7mm |
| Wheel Flop | 25.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 89.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 101mm |
650b Road+ Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 47mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1695.5mm |
| Crank Length | 170mm |
| Handlebar Width | 40cm |
| Stem Length | 70mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Titanium |
| Brake Type | Disc |
Source:https://www.bearclawbicycleco.com/thunderhawk-titanium-650b-gravel-bike