PowerTap SL hub system

PowerTap SL features: 

• Customizable display shows power, heart rate and cadence simultaneously.
• Displays and records Power, Heart Rate, Cadence, Speed, Energy, Ride Distance, Ride Time
• Download up to 15 hours at 1-second recording rates.
• Records unlimited intervals.
• Cadence sensor.
• Functions as a downloadable heart rate monitor for multisport.
• Computer also works as a cycle computer when not using PowerTap hub.
• Available with either Shimano or Campagnolo Alloy freehub body
• 130mm or 135mm Axle spacing
• 24,28 or 32 hole configurations
• 4 Sealed Cartridge Bearings
  

With the help of top pros, coaches and scientists, we’ve made PowerTap SL smaller and 160 grams lighter. We’ve also added a new electronics package that’s housed completely within the hub shell. It sends the data through carbon fiber power windows, keeping moisture away from sensitive components.