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Shimano XTR 10-speed Shadow Design Rear Derailleur RDM981

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Product Description

Precision engineered XTR Shadow Dyna-Sys 10-speed rear derailleur for the ultimate in shifting performance and durability.

Key Features:

  • Shimano's new Direct Mount Rear Derailleur system gives more space around the rear frame dropout resulting in easier rear wheel removal but also allows frame designers to shorten chain stays, increase axel sizes and move suspension pivots
  • Direct Mount gives a simpler, cleaner look
  • Shadow features a super low profile design that reduces the risk of damage from trail side hazards
  • Single tension spring prevents contact with the chainstay resulting in a silent ride
  • Direct cable routing prevents snagging from any trail side hazards
  • Full carbon fibre outer pulley cage saves weight while alloy inner cage increases rigidity
  • Cold forged alloy links and pivot body's with carbon composite P-body
  • Four fluorine-coated link pin bushings
  • High rigidity wide outer link braces the pulley body
  • Strong return spring for a positive shifting feel
  • Improved cable pull ratio gives a more accurate shift action
  • Dyna-Sys 10-speed compatible only
  • Durable sealed bearing pulleys for low friction
  • Top normal spring uses the spring to select higher gears
  • 35T capacity GS cage or 41T capacity SGS cage

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    Derailleur/Mech Guide

    What are derailleurs and mechs?

    Derailleurs and mechs are two names for the same thing – the parts of your drive train that move the chain between chainrings for the front derailleur/mech and between the cassette cogs for the rear derailleur/mech.

    Who needs a derailleur or mech?

    Not all bikes have derailleurs, but if your bike has conventional gearing rather than singlespeed or hub gears, you will have at least a rear derailleur. These parts are exposed and somewhat vulnerable to damage, so you may need to replace them if this happens.

    What are the choices?

    Your choice will largely depend on what is compatible with the rest of your drivetrain, but there are different options for road and mountain bike, by the big three manufacturers, Shimano, SRAM and Campagnolo.

    What should I buy with them?

    If you’re replacing a front or rear mech, you may need to replace some other parts of your drivetrain as well, for compatibility or because you want them to wear together. These might include the chainrings, rear cassette or chain.

    Anything else?

    It’s not just compatibility with your other components you need to consider with a mech replacement. Derailleurs also have different fittings for various frame compatibilities, including braze-on fittings and a bolt-on collar.

    Finance

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    Spend £99 or more at Tredz and you can spread the cost. Pay monthly over 6-48 months, interest free (dependent on repayment terms and amount).

    1Fill your basket with everything you want from Tredz and go to the checkout.

    2During checkout, select the finance option you want as your method of payment.

    3You will be sent to our finance provider's secure server to complete your application.

    4Finance providers PayPal & V12 will use the information provided to make a decision and complete checkout if you are approved.

    Read more about buying on finance

    Buy now, pay 12 months later.
    Interest free credit with no deposit. Pay nothing for 3 or 6 months on orders over £850, or 12 months on orders over £1,500* *Not available through PayPal Credit

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    Representative example: If total purchase price is £1,399.00 with a deposit of £139.90 (10%) and your selected term is 36 months Classic Credit (15.9% APR fixed), you would pay £43.55 per month. Total charge for credit will be £308.70 and total amount repayable is £1567.80, subject to terms and status.

    Delivery & Guarantee

    Christmas Delivery

    We will try our very best to get your products delivered to you before Christmas, but due to Santa's overspill into our delivery services, we would like to make you aware that while we are making every effort to deliver your order to you in time for Christmas, there may be a potential risk of delay.

    The last date to order a bike that is available for Christmas delivery is 5pm on Tuesday 18th December. For all other items the last date to order items that are available for Christmas delivery is 12pm on Wednesday 19th December.

    You can easily spot which items are guaranteed for Christmas delivery with the icon. Choose your size and colour to see if the item qualifies for Christmas delivery.

    UK Delivery Information

    We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE to mainland UK, regardless of the size and on all orders over £20.

    Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

    Please note that Pre-Order dates can sometimes change due to updated stock information.

    Click here for more UK and international delivery information.

    Returns & Warranty

    It's easy to return a product with our 365 day, hassle free returns. 

    We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

    Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

    If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

    For more information please visit our Returns & Warranty page.

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