• Bicycle insurance from a trusted brand
• From only £2 a month
• 3 straightforward policies
• Loads of policy benefits
• Free advice for cyclists
• Cycling accident claims service
• Helping cyclists to claim fair compensation
• Wiggle profits are donated to Sustrans
• Collect and return, from work or home
• Online booking system
• Range of service packages
• Annual service plans available
• Available inside the M25 only
• Save up to 42%
• Spread the cost
• Top brands and accessories
• Cyclescheme partner
Rotor's CNC-machined 3D30 crankset, with a 30mm axle & UBB30 bottom bracket technology, offers a design that is based on the top-end 3D+ crank yet delivers great performance with an excellent stiffness-to-weight ratio. 110 BCD options are available.
Rotor's UBB (Universal Bottom Bracket) system allows Rotor 24mm and 30mm axle cranks to be installed in almost any frame in the market today. Also, Rotor's CNC-machined crankarms are stiffer than the competitors forged products due to their Trinity Drilling System.
This process drills three full-depth holes from the axle to pedal, leaving behind a box-trellised structure (similar to bridges). This gives their crankarms superior rigidity and an excellent stiffness-to-weight ratio.
ROTOR believes that functionality and reliability — not fashion — best define material selection when it comes to crafting its cranks. Crankarms CNC-machined from aeronautic-grade 7055 aluminium or cold forged from 7075-T6 aluminium and combined with proprietary technologies yield cranks with an exceptional stiffness-to-weight ratio that can handle some serious pedal stomping and anything else you can throw at them. Together with ROTOR’s Universal Bottom Bracket (UBB) system, Rotor cranks offer a performance upgrade opportunity for almost all bikes on the market.
Your chainset must fit onto your bottom bracket! There are currently four chainset/bottom bracket interfaces that you're likely to come across. If your bottom bracket is made by Shimano and it has splines, then you need an Octalink chainset. If your b/b is NOT made by Shimano and it has splines, it's almost certainly ISIS. There are a very few non-Shimano chainsets with Shimano Octalink interfaces so, to be sure, count the splines - ISIS has 9, Octalink has (surprise, surprise) 8. No matter which brand of b/b you have, if it has a square interface, it will require a traditional square taper chainset. If you have one of the new Hollowtech II systems, you will need to choose the exact chainset that matches your bottom bracket. Most MTB chainsets are now 9-speed compatible but these will work with an 8-speed system.
ROTOR’s trademark products integrate our signature “out-of-the-box” engineering solutions with function-per-feature philosophy. Their in house manufacturing capacity and know-how offer the highest possible quality to cyclists, whether they are one of our world champions or a weekend warrior.
The delivery options available for shipping this product along with the contents of your basket to United Kingdom are:
Wiggle ships to over 100 countries. To see what delivery options are available for other destinations you can update your delivery destination via the International Options feature at the top right of the website.
Goods are shipped from the UK. Does not include delivery charges, local taxes or import duties, if applicable.
More information on International delivery options
We will happily refund or exchange any item purchased on Wiggle if returned to us within 365 days, excluding Wiggle gift vouchers and personalized products except when faulty.
Returned goods must be unused and supplied with their original packaging, unless the goods are faulty.
Wiggle will pay the return postage costs for any faulty items.
More information on Wiggle's return policy
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Wiggle Ltd. 1000 Lakeside, Suite 310, Third Floor N E Wing, Portsmouth, Hampshire, PO6 3EN, United Kingdom /
Company No: 2667809 /
VAT No: 884 2571 94
There are no facilities for customer collections or returns at this address. Please ensure any returns are processed as instructed on the Help page - Returns.
Executive Director: Will Kernan.