Quarq have now developed their famous Carbon power meter, with new Dzero technology but capable of fitting Shimano 4 bolt ring pattern
The Dfour offer unrivalled levels of accuracy with Blue Tooth or ANT+ data transmission. We can offer expert advice on Quarq power meters, being users of them ourselves for many years
Requires a Sram GXP bottom bracket
Material CNC Machined Aluminum Spider, Exogram Carbon Crank Arms
Bolt Circle Diameter 110 Asymmetric BCD
Arm Lengths 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm
Bottom Bracket GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A
Wireless Technology ANT+, Bluetooth low energy technology
Battery CR2032, 200 hours of riding time
Head Unit ANT+ and Bluetooth® low energy technology compatible head units (available separately)
Analysis Software TrainingPeaks WKO4®, TrainingPeaks®, Today's Plan, Golden Cheetah, Strava® and others (available separately)
Compatibility Shimano® 11-speed chainrings (except for R9100). Designed for Dura-Ace® 9000. Compatible with Ultegra® 6800 and 105® 5800.
FREE UK Mainland Delivery Delivered in 3-5 days across the whole of the UK!
Like it FREE? We offer free UK delivery across the mainland. Delivery is 3-5 days but we will always do our best to get it to you as quickly as possible. We use Royal Mail and Interlink/DPD for UK deliveries.
Premium Next Day - £5.99 Get it fast with our next working day service.
Our premium delivery service, delivered next working day across the whole of the UK! Courier used is Parcelforce, you will be given a 1 hour delivery slot on the day of delivery.
International Delivery - From £4.99 We deliver all over the world from as little as £4.99!
EU countries £5-£15
Non-EU European countries £5-£55
Australia or NZ £25-£65
FREE DELIVERY ON ALL UK ORDERS OVER £30 (3-5 DAYS)
Orders of £30 or less have a £1.99 delivery fee.
PREMIUM NEXT WORKING DAY DELIVERY - £5.99
Orders with this delivery option must be placed before 2pm and will be sent out for next working day delivery with Parcelforce or Interlink Express and their award winning 1 hour delvivery window service.
PREMIUM 48 HOUR DELIVERY - £3.99
Orders with this delivery option must be placed before 2pm and will be sent out for two working day delivery with Parcelfore or Interlink Express and their award winning 1 hour delivery window service.
CHANNEL ISLANDS (2-5 days) - £1.99 (small items) / £16.99 (large items)
INTERNATIONAL DELIVERY - from £4.99
International delivery charges vary based on location and the item(s) ordered.
Find out more about our delivery charges
Items being returned for a refund must be returned within 30 days of receiving your order and in original condition with all swing tags still intact. Return postage costs must be covered by yourself.
Items returned for exchange must be returned within 30 days of receipt by yourself and in original condition with all swing tags still intact. Return postage costs must be covered by yourself.
See our full returns policy
When purchasing skis and bindings from us we are happy to fit your ski bindings to your skis for FREE before sending them out to you. To do this we will need to know the following information for the person who will be using the skis:
- Ski Ability (beginner, intermediate, advanced)
- Ski boot sole length (see right)
- Binding mounting position (if applicable)
During the checkout process you can enter this information.