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Shimano Deore FCM590 9 Speed Chainset

(1 review)
  • A perfect example of Shimano Deore's raison d'etre.
  • Makes last year's high-end Shimano performance available this year at a more affordable price.
  • Wouldn't look or perform one bit out of place on a £1,000 bike.
  • ColourCrank LengthRatioPriceAvailability 
    Black175mm44/32/22£89.99In Stock
    Silver170mm44/32/22£89.99In Stock
    Silver175mm48/36/26£94.99In Stock

    Shimano Deore FC-M590 Chainset

    Up-to-the-minute 2-piece crankset - like Shimano XT - with integrated bottom bracket (supplied) and oversized outboard bearings for extra rigidity and longevity.

    • Shimano SG-X chainrings with patented spike pins for smooth, fast gear shifts under load.
    • Aluminium outer ring saves weight.
    • Steel inner and middle rings for longevity.
    • Stainless steel chainring bolts for class.
    • Only use with Super Narrow Mega9 chain.
    • 1,005g (inc. complete LH crank, bottom bracket and bearing unit) - the RH crank on its own weighs just 650g.


    Shimano are the world's largest bicycle component company, thanks to their ability to innovate and perfect - think indexed gear shifting, Hyperglide cassettes STI, XT, SPD, STEPS…

    See all Chainsets - MTB & Hybrid from Shimano
    See all products from Shimano
    See all Chainsets - MTB & Hybrid

    ColourCrank LengthRatioBarcode

    Our suppliers reserve the right to change specifications and prices without notice. Edinburgh Bicycle Cooperative will do all it can to maintain prices and specifications on this web site, however we do reserve the right to change specifications and prices without notice. Similarly, despite the wonders of modern computers, it is realistic to expect the colour of any item bought to differ subtly from the image online.

    4 / 5
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    These are brilliant value for money. I was looking for a set of 2-piece cranks with an external-bearing bottom bracket that wasn't going to break the bank. They started out life on a commuting bike, but I soon moved them onto my mountain bike - light, stiff, and cheap.
    Ask a question
    Q. I am needing to replace the Chainset/BB on a EBC Countryman Traveller. Will this do? Will 9spd chainset be OK with otherwise 8spd set up? Will 8spd chain run on this?
    A. This would work fine - the 8 speed chain will run on the 9 speed chainset no problem (the issue would be if you were replacing the cassette/rear mech). This chainset would be a decent upgrade to the original equipment, and will include an external bottom bracket which will save a bit of weight over the cartridge bottom bracket that came on the bike originally.
    Q. Hi, can you tell me if I could fit the Alivio M410 38t middle chainring to the Deore M590 9sp 26x36x48 chainset?
    A. The BCDs of these two chainsets are the same (104mm outer and middle and 64mm inner) so the rings should be interchangeable.
    Q. Will this fit a merida cyclocross 3 bike?
    A. We are not familiar with the Merida Cyclocross 3 so are unsure as to whether the Deore FCM590 chainset would be suitable for your bike. If you could provide us with some more information we would be happy to find this out for you. Can you let us know which year model of bike you have or let us know the current spec of the bike (mainly the no. of gears and current chainset model).

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