Spoke Wheel Speed
Bike Speed & Gear Calculator
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Know your speed before you ride. Enter wheel size, gear ratio, and cadence — Spoke shows km/h or mph instantly. No account. No ads. Pure cycling math.
Stop guessing your cycling speed. Spoke calculates it precisely from your wheel size, gear ratio, and cadence — offline, in seconds, on any bike.
— KEY FEATURES —
• Instant speed calculation — enter cadence (RPM) and gear ratio, pick your wheel, get your speed in km/h or mph immediately
• 8 wheel sizes supported — 16", 20", 24", 26", 27.5", 29", 700c, and 650b; covers road bikes, mountain bikes, gravel rigs, BMX, folding bikes, and kids bikes
• Switch units at any time — toggle between km/h and mph with a single tap
• Wheels catalog — browse all 8 wheel sizes with circumference in millimetres and the riding style each size is suited for
• Saved ride presets — store a name, wheel size, gear ratio, and average cadence for each of your regular bikes or routes
• 6 preloaded example rides — Morning Road Spin, XC Gravel Grind, Trail Shred, and more; explore the calculator right away without setup
• Full offline operation — no internet connection, no server calls, no account required
• No ads, no tracking — your ride data stays on your device
Spoke is for cyclists who want to know their numbers. Whether you are dialing in a new gear ratio, comparing wheel sizes, or just curious how fast you actually ride, Spoke gives you the answer.
Download free and start calculating.
— Spoke Wheel Speed PREMIUM —
Premium unlocks the full Spoke experience: unlimited saved ride presets, the complete 8-wheel catalog, instant km/h and mph switching, and gear ratio comparison — all fully offline with no ads and no tracking.
Subscription options:
• Weekly — $9.99 / week
• Yearly — $49.99 / year (includes a 3-day free trial)
Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the period. Manage or cancel anytime in your Apple Account settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://pnkl26.web.app/privacy-policy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.0
• Speed calculator — enter wheel size, gear ratio, and cadence to get your speed in km/h or mph
• 8 wheel sizes — 16" through 700c and 650b for road, MTB, gravel, BMX, and folding bikes
• Wheels catalog — circumference (mm) and riding use case for every supported size
• Ride presets — save and manage custom ride profiles with name, wheel, gear ratio, and average cadence
• 6 example rides preloaded — ready to explore the app on first launch
• Fully offline — no account, no ads, no network connection needed
The developer, Linh Phan Nhat Khanh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Linh Phan Nhat Khanh
- Size
- 859.1 KB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Spoke Wheel Speed Yearly $49.99
- Spoke Wheel Speed Weekly $9.99
- Copyright
- © 2026 PNKL