2025 Grind Cycles GR1ST Base S
Build
700C/29 in × 45 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Grind Cycles GR1ST
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 557mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-T | 520mm |
| Top Tube Length, Effective/Horizontal HT Top | 535mm |
| Top Tube Slope | 6.3deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 289mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.8mm |
| Front-Center | 595mm |
| Front-Center Horizontal | 595.2mm |
| Wheelbase | 1025mm |
| Fork Offset/Rake | 50mm |
| Fork Length, Unknown | 395mm |
| Trail | 69.7mm high |
| Mechanical Trail | 65.9mm |
| Wheel Flop | 21.5mm |
| Standover Height | 786mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 69mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 119mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1737mm |
| Crank Length | 170mm |
| Handlebar Width | 400mm |
| Stem Length | 90mm |
| Stem Angle | -6deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://grindcycles.com/collections/bikes