Spoke Wheel Speed

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/
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