1. 2 Ways to fix a magnet ring: Like the picture, the picture of no.1 and no.2, put into a ring magnet to a tube of your bike wheel.
2. Fix the magnet ring with the enclosed black rubber ring like in picture no.3., if presta valve on bike tube doesn't have any screw thread.
B Shark series support wireless Bluetooth 5.0, and ANT+ and can be connected with cycling computer and smartphone apps at the same time. The driving information interworks with mobile applications.
Product name: B Shark
Product size: 18x 43x 27mm
Set Weight: 25g
Battery type: CR2032
Operating Temperature: -10℃ ~ + 60℃
Working range: -Maximum Speed 120km/h
-Maximum Cadence 260rpm
Operating time: 600 hours
Protocols: Bluetooth 5.0, ANT+
Light weight: Although it has dual sensors, its weight is only 25g(included battery and magnet)
Attention)
1.Use the spoke magnet to a Mountain bike or a hybrid bike of which the gaps between a wheel and your bike . It can't detect your speed and cadence if a ring magnet is fitted.
2.The enclosed ring magent can be inserted in a presta valv only. Like the following picture, a nut and a rubbering to fix the ring magnet.
One Touch: Without effort, just apply it to your bike at once. If your bike is for mountain, bind it with a rubber ring to prevent from a robbery.