Sidewall
스포츠
iPhone 전용
무료
iPhone
Sidewall is a precision tire pressure calculator built specifically for cyclists who care about how their bike feels on the road, gravel, or trail.
Dial in the right pressure for your exact setup using multiple trusted calculation models. Save your bikes, wheelsets, and tire configurations. Compare algorithm outputs side by side. Adjust for conditions, temperature, and riding style. Sync seamlessly across your devices with iCloud.
Sidewall removes the guesswork so you can focus on the ride.
### Features
**Bike Support**
- Road, Gravel, and MTB categories
- Category-specific weight distribution defaults
- E-bike support with automatic weight adjustments
- Save unlimited bike profiles with photos
**Calculation Engines**
- Multiple tire calculation engines supported
**Setup Configuration**
- Multiple wheel/tire setups per bike
- Tire width with rim-width-aware actual width calculation
- 700c, 650b, 29", 27.5", and 26" wheel sizes
- Tubeless and tubed tire support
- Casing types: Lightweight, Standard, Reinforced
- Tire insert support for lower pressures
**Conditions & Adjustments**
- Surface conditions: Smooth, Average, Rough (road) / Chunky, Rowdy (gravel) / XC, Trail, Enduro (MTB)
- Wet condition toggle
- Speed category: Recreational, Enthusiast, Racer, Pro
- Temperature-aware calculations (inflation vs. riding temp)
- Gear weight per calculation
- Session weight override without affecting global settings
**Safety & Limits**
- Hooked and hookless rim guidance with automatic 72.5 PSI ETRTO max enforcement
- Custom tire and rim max pressure limits
- Visual clamping indicators for pressure limits
- Warning system with severity levels
**Units & Preferences**
- Pressure: PSI, bar, kPa
- Weight: kg, lbs
- Locale-aware defaults
**Data & Privacy**
- Fully offline functionality
- Private iCloud sync (no accounts, no tracking)
- Calculation history with saved conditions
- More information at https://timheuer.github.io/sidewallapp/privacy/
Sidewall is designed to be fast, clean, and purpose-built. No clutter. No unnecessary features. Just accurate pressure recommendations based on your setup.
**Because the difference is in the pressure.**
*Algorithm names reference publicly documented pressure calculation methods. Silca, Wolftooth, ENVE, Rene Herse, and SRAM are registered trademarks of their respective owners. This app is not affiliated with or endorsed by these companies.*
평가 및 리뷰
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Minor bug fixes and sharing
Tim Heuer 개발자가 아래 설명된 데이터 처리 방식이 앱의 개인정보 처리방침에 포함되어 있을 수 있다고 표시했습니다. 자세한 내용은 개발자의 개인정보 처리방침 을 참조하십시오.
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- Tim Heuer
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iOS 18.0 이상 필요
- iPhone
iOS 18.0 이상 필요
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