- The HollowTech II 11-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders
- HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load
- The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency and improved power transfer
- Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight
- Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm and 410mm chain stay length
- A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines
- HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency
- HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
- DeliveryDelivery to England, Scottish Lowlands & Wales:
- £60 and under order value is £5.00 shipping
- Over £60 is free shipping unless stated otherwise
- Bulky items may incur a surcharge
Delivery to the Scottish Highlands and Rural Postcodes (Zones 4 and 5)- £80 and under order value is £10 shipping
- £80.01-£120 order value is £5 shipping
- Over £120 is free shipping except for Bikes
£60 delivery fee charged on all BikesSorry, we do not ship to Ireland or the rest of the world.Returns (refunds and exchanges)If you are unhappy with your item, please let us know. Our Returns Policy gives you 30 days to return or exchange an item bought with a valid receipt. If 30 days have gone by since your purchase, we cannot offer you a refund or exchange.To be eligible for a refund or exchange, goods must be returned in a re-saleable condition. That means your item must be unused and in the same condition that you received it. The item must be in the original packaging and returned with any accessories, labels and “free gifts” or bonus items.