2025 Rennstahl Stahl Bikes 853 Gravel XL
Build
700C/29 in × 45 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Rennstahl Stahl Bikes 853
Stack and Reach vs. Category Trend
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Geometry
| Stack | 610mm |
| Reach | 407mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 580mm |
| Top Tube Length, Effective/Horizontal HT Top | 585mm |
| Top Tube Slope | 5.5deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 185mm |
| Bottom Bracket Drop | 69mm |
| Bottom Bracket Height | 287mm |
| Chainstay Length | 427mm |
| Chainstay Length Horizontal | 421.4mm |
| Front-Center | 624.4mm |
| Front-Center Horizontal | 620.6mm |
| Wheelbase | 1042mm |
| Fork Offset/Rake | 46.1mm |
| Trail | 60.6mm mid/neutral |
| Mechanical Trail | 58mm |
| Wheel Flop | 17mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 98.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 117mm |
Gravel Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1754mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://geometrygeeks.bike/bike/rennstahl-853-gravel-2024/