Components for my Specialised Sirrus - advice please!

jonD

New Member
Hello, I need to get a new chain + front & back sprockets for my Specialised Sirrus disc 2016 (pic attached)


Please could someone advise me on what parts to buy? I want components that are approximately the same quality as the ones that were on the bike when I bought it.

Cheers!

Jon
 

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Salty seadog

Space Cadet...(3rd Class...)
Hello, I need to get a new chain + front & back sprockets for my Specialised Sirrus disc 2016 (pic attached)


Please could someone advise me on what parts to buy? I want components that are approximately the same quality as the ones that were on the bike when I bought it.

Cheers!

Jon
Get a cassette with the same number of cogs that you have now. I would imagine it will be either Sram or Shimano as that is what Specialized use. Either will do as they both work as they fit the same freehub. Chain again, any brand will work but of course match it to the number of cogs on the cassette, 9,10,11 speed. Unless damaged it's unlikely you need new chainrings upfront, maybe get some advice on this from a local bike shop. Again if you do need to replace they need to match the speed of the bike,(chain and cassette) 9'10'11.
Chainrings tend to be good for 10's of thousands of miles whereas a chain may be 1-3 thousand and a cassette 2-5 depending on riding style and conditions, loosley speaking chauge the cassette every 2-3 chains.
 

Cycleops

Legendary Member
Location
Accra, Ghana
Try Decathlon for your parts. You'll need a nine speed cassette and chain. Don't know if you've got a chain set with separate rings but might be more cost effective to buy a new complete set, just watch the BB type or you could go with a hollowtech chain set which comes with a BB.
 

smutchin

Cat 6 Racer
Location
The Red Enclave
Get a cassette with the same number of cogs that you have now.
Also match the number of teeth on the largest sprocket. According to the spec I've found online for that bike*, it comes with an 11-32 9spd cassette, so this would be an appropriate replacement:
http://www.wiggle.co.uk/shimano-alivio-9-speed-cassette-11-32t/

This would be a suitable chain to go with it:
http://www.wiggle.co.uk/shimano-hg93-9-speed-chain

Unless damaged it's unlikely you need new chainrings upfront, maybe get some advice on this from a local bike shop.
Agreed. Very unlikely to need replacing.



* https://www.evanscycles.com/specialized-sirrus-sport-disc-2016-hybrid-bike-EV244806
 
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