2025 Simpatico Gamma Race Base 54
Build
700C/29 in × 55 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Simpatico Gamma Race
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 585mm |
| Reach | 393mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 521mm |
| Top Tube Length, Effective/Horizontal Center | 540mm |
| Top Tube Slope | 8.9deg |
| Head Tube Angle | 71.7deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 129mm |
| Bottom Bracket Drop | 87mm |
| Bottom Bracket Height | 279mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 421.1mm |
| Front-Center | 615mm |
| Front-Center Horizontal | 609.9mm |
| Wheelbase | 1031mm |
| Fork Offset/Rake | 49mm |
| Fork Length (Axle-To-Crown) | 415mm |
| Trail | 69.4mm high |
| Mechanical Trail | 65.9mm |
| Wheel Flop | 20.7mm |
| Standover Height | 776mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 79mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 109mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 55mm |
| Tire Outer Diameter | 732mm |
| Bike Length with Tires | 1763mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 80mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://simpaticobikes.com/product/simpatico-gamma-titanium-gravel-frame-chassis/