2020 Twin Six Standard Rando Frameset 650b 55cm
Build
650B/27.5 in × 48 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Twin Six Standard Rando
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 591mm |
| Reach | 374mm |
| Stack to Reach Ratio | 1.58:1 |
| Seat Tube Length, Unknown | 550mm |
| Top Tube Length, Effective/Horizontal Unknown | 555mm |
| Top Tube Slope | 6.9deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 265mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.5mm |
| Front-Center | 594mm |
| Front-Center Horizontal | 589.5mm |
| Wheelbase | 1018mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 63.2mm mid/neutral |
| Mechanical Trail | 60.1mm |
| Wheel Flop | 18.6mm |
| Standover Height | 809mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 79mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 90mm |
Frameset 650b Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 48mm |
| Tire Outer Diameter | 680mm |
| Bike Length with Tires | 1698mm |
| Crank Length | 175mm |
| Handlebar Width | 440mm |
| Stem Length | 100mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 9 in to 5 ft 11 in |
Source:https://www.twinsix.com/collections/bikes-bits/products/standard-rando-frameset-red?variant=8200806137953