931 MTB Pinion
rennstahl
Crosscountry
931 MTB Pinion is a steel cross-country mountain bike (2024), by Rennstahl. It suits a wide range of riders thanks to its fit flexibility, with a balanced riding position, with a surface profile that is best for smoother trails and efficient rolling. On MatchBikes metrics, it scores well for strong climbing friendliness for sustained uphill riding, good fit flexibility for dialing in rider position, and balanced, versatile speed for everyday riding. That said, the trade-off to keep in mind is a firmer ride feel than comfort-first options and a value score that depends more on priorities than pure price efficiency. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
Geometry
| Measurement | MD | LG | XL | XXL |
|---|---|---|---|---|
| Bottom Bracket Height | 280 mm | 280 mm | 280 mm | 280 mm |
| Top Tube Length | 603 mm | 622 mm | 642 mm | 655 mm |
| Seat Tube Angle | 72.5 ° | 72.5 ° | 72.5 ° | 72.5 ° |
| Head Tube Angle | 70 ° | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 125 mm | 135 mm | 145 mm | 170 mm |
| Chainstay Length | 450 mm | 450 mm | 450 mm | 450 mm |
| Bottom Bracket Drop | 75 mm | 75 mm | 75 mm | 75 mm |
| Standover Height | 785 mm | 815 mm | 845 mm | 865 mm |
| Wheels | 27" | 27" | 27" | 27" |



























































