2020 Twmpa Cycles GR 1.0 Base Small
Build
700C/29 in × 38 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 550mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, Effective HT Top | 542mm |
| Top Tube Length, Effective/Horizontal HT Top | 542mm |
| Top Tube Slope | 9deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 284mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.1mm |
| Front-Center | 597mm |
| Front-Center Horizontal | 596.9mm |
| Wheelbase | 1027mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 70.5mm high |
| Mechanical Trail | 66.5mm |
| Wheel Flop | 22.2mm |
| Standover Height | 775mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 83mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 119mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1725mm |
| Crank Length | 165mm |
| Handlebar Width | 420mm |
| Stem Length | 90mm |
| Stem Angle | 7deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Wood |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 165 cm to 173 cm |
Source:https://www.twmpacycles.co.uk/