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    01628 520731

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    Flat Harry's Cyclery
    31 High Street, Cookham, Maidenhead, SL6 9SJ. View the map
  • Who are we?

    A bit about us

    Flat Harry's mission is to be the best local bike shop in the Thames Valley area, our customer base is broad, attracting cyclists from all the towns and villages around Cookham; in a radius around us that passes through Lane End, High Wycombe and Beaconsfield, onto the Chalfonts, Gerrards Cross, Uxbridge, Windsor and Eton, through Taplow, Maidenhead, Bray and Holyport, and over to Marlow and Henley, our customers are happy to travel to find us, knowing we cater for every and any cyclist. We're mad about cycling and love it when anyone shares our enthusiasm, be they an aspiring fan of the sport, a tech hungry hard rider spinning their best speed machine, a thrill hungry mud lover, a hardened commuter battling the traffic, or a leisurely rider on a modest budget looking to have fun and relax on their bike.

    Whether it's serving coffee and flapjack on the mid-ride break, fixing your tusty steed, performing a bike-fitting or providing you with the right gear for your ride, we do it all and a lot more at Flat Harry's. We are proudly independent and thus only stock parts and brands that we are passionately proud of, and believe are the most suited for cyclists coping with the flint strewn roads and trails in our area.

    Our obsessive temperament, collective knowledge, engineering expertise, focus on quality and debunking of fads are what distinguish our shop, and make our customers return time and time again. Building trusting long term relationships with our customers is really important to us. Simply put, we want to be the place you trust above all others to do the right thing for you. Some folk might try and take advantage of our good nature, but we believe what goes around comes around and we want you to value our approach.

    Read more about us...
  • Key Information!

  • Kask Rex Moss/Orange

    Built with extra protection, improved ventilation at lower speeds and loaded with nifty features for off-road riding, Kask have taken everything into consideration with the Rex.


    Customer Rewards

    Buy now, get an extra £4.77 off your next purchase with Customer Rewards

    Kask Rex Moss/Orange Video


    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.

    The Current Estimated Delivery Dates for Kask Rex Moss/Orange is

    Kask Rex Moss/Orange Description

  • Brand : Kask
  • Season : 2017/2018
  • Code : RXMSOR
  • Weight : 0KG
  • Trail ready, Kask's Rex provides comprehensive protections for its rider, whilst keeping them cool. 20 recessed vents punctuate the Rex's outer shell for top quality ventilation that doesn't compromise protection. The vents are designed to provide a refreshing cooling effect at lower speeds, useful useful on sometimes slower off-road riding. The Rex protects the rider’s entire head, from the Lower Occipital bone in the rear and sitting comfortably on the brow at the front. Kask's Mit technology reinforces areas of the Rex likely to be affected in a crash with extra layers of polycarbonate, for extra protection where it counts most. Kask's In-Moulding technology joins the polystyrene cap to the polycarbonate shell for enhanced shock absorption in the event of a crash. The Rex's internal padding is made from Coolmax fibre and antibacterial fabric, which moves sweat away from the skin, avoiding irritation and aiding cooling for comfort throughout your ride. Kask's Octofit, micro-adjustment fitting system, means you'll always be able to find a close and comfortable fit. The Rex comes with some cool additional features specifically catering to mountain bikers. You can easily mount a light or camera to the top of the Rex via a fixture point hidden under a cover in the central front vent. The Rex has a goggle clip at the rear of the helmet to help keep goggles in place on particularly bumpy runs. Most noticeably the Rex comes with a Visor for extra shielding against whatever a trail might throw at you. The Rex is an excellent off-road helmet, providing extra protection and cooling alongside Kask's usual features of comfort and quality fit, with the added bonus of extra features for off-road riding.

    Other colours available. If you wish to place a special order for this helmet in a colour not displayed on the website please contact the store.

    Buyers Guide

    Sizing Information

    Sizing: The sizing of Kask helmets corresponds to the circumference of your head. To measure this you can use a tape measure, positioning it just above your ears.


    Rex size




    52 - 58

    2015/32 - 2253/64


    59 - 62

    2315/64 - 2413/32


    Technical Information

    Click & Collect Buy the Kask Rex Moss/Orange online & from us and will build
    your bike so it's ready to ride. We'll let you know when your new bike is ready to collect!

    Add to Basket

    £4.77 reward points with this purchase
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