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The C1 chainring is a full featured, crank-based power meter that features dual-sided measurement. The FSA-made, one-piece chainring design provides added stiffness for shifting no matter the terrain. Available 53/39, 52/36 and 50/36 chainring tooth options for 5 bolt, 110 BCD cranks, the C1 mounts to existing hardware on the bike. Additionally, dual band ANT+ and Bluetooth SMART connectivity make the C1 an obvious choice for riders looking for more features and better value.


  • Crank Interface: 5 bolt, 110 BCD compact
  • Connectivity: ANT+ and Bluetooth SMART
  • Tooth Combinations: 50/36, 52-36
  • Firmware Updates: Over the air
  • Added Weight: About 150 grams
  • Battery: CR2032
  • Battery Life: 200 hours


Delivery Information

Hargroves Cycles offer Free Delivery for all orders over £9 with in Mainland UK (orders below £9 will be charged £1.99)

Bikes and Bulky items are sent via TNT Courier and smaller items are sent via Royal Mail 2nd Class Post.

Items over £50 are sent with Royal Mail 1st Class track able service which is emailed to the customer on the day of dispatch.
For full delivery details please see our Delivery Page

International Delivery

Hargroves Cycles delivery all across Europe. Goods are shipped from the UK and are subject to import duties where applicable

For further delivery, pricing and restriction information please view our International Shipping Page

Returns Information

We will happily exchange or refund any item purchased at Hargroves Cycles within 365 days, except gift vouchers and personalized products, except where faulty.

Returned goods must be unused and supplied with their original packaging, unless faulty.

For full details on our Returns procedure please visit out Returns Section.

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You're reviewing: Powertap C1 Power Chainring

You’re obsessed. So are we.

We love cycling, proven by the countless hours we've spent in the saddle. And though our bikes offer us much in return, our sacrifices create desire - and even an expectation - for improvement.

There is no better way to judge our efforts and continual improvement than with wattage, and for the truest measure of performance, you need to begin training with power - and fast.

Whether you’re on pace or off, breaking away or giving chase, finishing in the top ten or in eleventh - it can all come down to choosing the right power training system. Sage advice? Choose wisely.

PowerTap gives you the edge you need by providing the truest measure of your power. Our complete power-training systems are engineered and designed to deliver industry-beating accuracy and proven, road-tested reliability. Because power is what we do, and it’s what we’re all about.

  • Powertap C1 Chainring Powermeter