MICKEY CRANKS opened in September 2013 and has quickly established itself as one of the leading Independent bike shops in the country.

At MICKEY CRANKS we will find the perfect bike to meet your individual needs, top tube length is no longer the best way to size customers to bikes, our staff are trained bike fitters and have worked with World and National Champions. We are particularly adept to the needs of female cyclists when selecting the most comfortable and best performing bikes.

We have a professionally equipped workshop that wouldn’t look out of place on the Formula 1 circuit, and is operated by Cytech certified technicians. We work really hard to give our customers honest advice on the best solutions to their bike repairs and service options.

We offer a professional Retül bike fitting service which will help optimize your power, comfort, efficiency and safety on the bike, Retül is the most advanced bicycle fitting system available on the planet. 

Our team love every aspect of cycling, ride for fun most days and race at every opportunity, so come and visit us, have a chat and share our passion for cycling. 


Unit 2, Two Rivers Industrial Estate, Station Lane, Witney, Oxfordshire OX28 4BH

Kask Protone Cycling Helmet


Developed in collaboration with Team Sky, the Kask Protone is a highly adjustable, aerodynamic, comfortable helmet with excellent venting

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Season :

Code : P

Weight : 0KG

The Kask Protone is a pro level helmet that is highly areodynamic, extremely comfortable and has excellent venting.


    We send orders either via a tracked service, which will require a signature on receipt. If there is nobody available at the delivery address to accept the delivery a card will be left to inform the recipient how he or she can collect the parcel. It then becomes the recipient's responsibility to collect the parcel or rearrange delivery with the service. We accept no liability if the delivery is not made due to the recipient not being available. If the recipient fails to contact the service in good time the goods will be returned to us and a charge will be made for re-delivery to that or an alternative address.

    In the event that you select a business address for delivery we shall be deemed to have delivered the order to its intended recipient by delivering it to the reception area of the business address.

    We will deliver to the address as you enter it and cannot accept any liability for late or failed delivery if the quoted address is incorrect. Additional charges will be made for redirection or for re-delivery due to postcode error. We advise that if you are not sure of the address you should check it using the Post Office postcode and address finding service.

    We are unable to accept orders for delivery to any address containing a PO Box Number.


    Exceptions to Displayed Delivery Rates

    Non-mainland UK shipping costs may be subject to change due to size and weight of the item purchased If this occurs then the customer will be notified and made aware of any additional payments that may be required prior to goods being shipped and funds being taken from their account.

    Most items on our website are eligible for free delivery, however there are a few items which are not. If this is the case then it will be clearly defined in the description.

    View our full delivery information


    If you are not 100% satisfied with your purchase you can return it for an exchange or refund, provided it is within 14 days of receipt of your order and the item is as new* and in the original packaging, with any labels still attached.

    Faulty items will either be replaced or refunded following evaluation by the Mickey Cranks Customer Services team.

    Products bought as gifts can be refunded to the original purchaser. All deliveries require a signature on receipt.

    *”As new” condition for Mickey Cranks items is unwashed, unworn and in the case of components and accessories unfitted. 


    All products are thoroughly checked by Mickey Cranks before dispatch. If you have any issues we will do our best to resolve them swiftly. Most products carry a manufacturers warranty so please check the literature supplied to see what terms apply. Some manufacturers ask that you deal directly with them on warranty issues, so it is important that you contact us before returning any products. We ask that you return any items within 14 days, after which replacement or repair will be at our discretion. All products must be returned with proof of purchase and a Returns Form. You will be responsible for the return postage costs.

    How To Make a Return

    Please complete the Returns Form and enclose it in your returns package.

    Repackage your item in the original packaging and enclose a copy of your returns form, along with your receipt as proof of purchase or a photocopy if you require it for your records.

    We recommend that you acquire a PROOF OF POSTAGE receipt and retain this until you receive email confirmation that we are processing your return. Please note this is a second class stamp and can take 4-6 working days to be delivered. You will be responsible for the return postage costs, no postage costs are refundable’.

    Mickey Cranks will try to process your return, as soon as it arrives, although it can take up to a week for us to process a return during busy periods. During these periods it’s not possible to confirm receipt of your package before be being processed. Depending on your location, an exchange can take between 2-3 weeks to get back to you.

    View our full Returns Policy

    Click & Collect

    Click and Collect

    Our Click & Collect service offers all the benefits of shopping online combined with an award winning retail experience in one of our stores. Simply order your items, select Click & Collect and pick up your item at a time that's convenient for you. Best of all the service is completely FREE!

    How to Click & Collect

    1. Add your items to your basket

    Use our website to browse our catalogue of products with stock availability. When you find the item you want simply add it to your basket like you usually would.

    2. Checkout using Click & Collect

    Scroll down and choose Click & Collect as your delivery method. Enter your postcode at the checkout to find your closest store.

    3. Choose the store of your choice and pop down

    Choose a store of your liking, click continue and complete the rest of our standard checkout steps and you’re ready to collect your item in store.

    When can I collect my order?

    For items in stock at the chosen collection store, we will have your item ready to collect within 1-2 working days.

    For items which are at our warehouse or another store your order will be ready to collect within 6 working days.

    If you order a bike we will contact you and arrange a collection appointment. Some bikes go through a PDI (Pre Delivery Inspection) delivered by one of our Cytech accredited mechanics, this means that getting your bike ready for collection may take a little longer (information on which bikes this applies to can be found on the product page).

    How will I know when my order is ready?

    For every order we will send you an e-mail to let you know when your order is ready to collect. If you’ve ordered a bike we will contact you once you have placed your order to arrange a collection time.

    What do I need to collect my order?

    Please bring with you your confirmation e-mail and a proof of ID (i.e. passport, driving license).

    We will hold your order in store for 10 days, if you have any problems with getting to the store to collect your order please feel free to contact the collection store and we will happily extend this time where possible.

    How do I cancel/change my order?

    If you wish to cancel your order or make any changes please contact the store directly, contact information can be found here.

    How do I return my order?

    Our normal 14 day returns policy applies to all Click & Collect orders, for more information see our returns policy. You can also return directly to the store.

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    Technical Information


    215 gr. M Size (CE EN 1078)

    250 gr. L Size (CE EN 1078)


    CE EN 1078  - CPSC 1203  - AS/NZS 2063



    3D dryThe tridimensional 3D DRY padding utilizes a multi-layer open cell construction process: high technology for the best comfort and performance.
    Aero ControlIncredibly aerodynamic and top performing shell, tested in the wind-tunnel and able to provide a really impressive CX rate. Any position the head will assume the outflow of the air will be perfectly in line with the helmet.
    CoolmaxRemovable and washable inner padding in Coolmax® material
    ECO ChinstrapChin pad with eco-leather chinstrap
    The anallergic and washable chinstrap is extremely comfortable and helps to avoid irritation of the skin
    FrameIn case of shock it avoids the break of the helmet into pieces
    M in mouldingThe innovative “in moulding” technology, joining the inner polystyrene cap to the outer polycarbonate one, ensures a better shock absorption.
    MITThe MIT Technology, applied to all KASK cycling helmets, guarantees a higher safety and a complete protection thanks to the polycarbonate layer that covers the shell on the top, on the base ring and on the back.
    OCTO FITRubberised Micro Dial adjuster provides improved finger grip
    Floating cradle contact points combine internal gel pads for optimum comfort. These supports are designed to oscillate freely through 180° allowing a perfect fit on any shaped head
    The Skeletal Brackets of the cradle have been designed and refined to provide the best fit and support whilst being as light as possible         
    SanitizedInner padding fabric treated with antibacterial and antimicrobial Sanitized® process. 
    VisibilityHigh visibility stickers for maximum safety even in poor visibility conditions


    Sizing Information

    M - 52-58 cm – 20-1/2 - 22-7/8 Inches
    L - 59-62 cm – 23-3/8 - 24-1/2 Inches


    Kask Protone Cycling Helmet

    With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

    You Pre-Order is prioritised (at no additional charge); meaning that, as soon as the product arrives with us, we can wrap it straight back up and get it sent out to you - it often never even hits the stock room shelves!


    With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

    So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

    Estimated Delivery Dates

    Estimated Delivery Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

    The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery Dates provided on product pages.


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    Kask Protone Cycling Helmet

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