4 answers

Hollow Tech chainset ?

can you advise which Hollowtech chainsets are compatible with 7 - 8 speed rear cassettes (Ultegra rear mech) please.

Perhaps I could buy a Hollowtech crankset separately from the rings ?

rgds RoyH

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Shimano Tiagra 4600 Double 10sp Chainset

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8 months ago

by

royh

HOOK,GB

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the problem of compatibility arises only for cassette 9, 10 and 11 speeds, because the chains are thinner and would not go on the front chainrings. your chain that is wider enters on all the front chainrings. Thinner ones must be more resistant, with use of better alloys, therefore more expensive. you do the math! ...

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2 months, 1 week ago

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Smarrell

MONTESILVANO,IT

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Answer:

pretty much any chainset designed for a geared bike will run 7/8 speed set up as 7/8 speed chains are a wider chain, you would only have an issue with the chainrings "grabbing" if you used a 7/8 speed chainset with a narrow chain (9/10/11 speed)

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2 months, 1 week ago

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gingerprince

newport pagnell,GB

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Answer:

There's no reason not to use the hollowtech chainsets with 7- or 8-speed casettes and chains. The chainrings will be slightly narrower than necessary, as they're designed for either 9- or 10-speed chains, but it won't actually cause you any problems. Of course, you could mount 7- or 8-speed chainrings on the cranks, assuming the BCD (bolt-circle-diameter) is the same, but there wouldn't really be any advantage to doing so.

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2 months, 1 week ago

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Jimothy

Cardiff,GB

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Answer:

Hi there, doesn't look like you can get it here but the closest match is this:
http://www.chainreactioncycles.com/shimano-alivio-m410-square-taper-triple-chainset/rp-prod46025

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7 months ago

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Dobbo

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Quastion about Brakes Formula R1S

I have a quastion about brakes Formula R1S - which calipers they have?

I read one comment about them, man said taht they have RX calipers..
(The picture and description shows an R1 lever and caliper, however the caliper I received is Rx. These are OEM brakes and do not have the line shortening hardware that the normal retail product includes. This is not a good price on these brakes considering you need to buy two line shortening kits and the calipers are Rx.)

http://www.chainreactioncycles.com/ua/ru/formula-r1s-disc-brake-set-2012/rp-prod93694

Is it true or false? I will buy them if they all R1S))
Thanks for answer

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4 months, 2 weeks ago

by

COmetadexter

Kiev,UA

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RX calliper and R1 levers. You get the lever feel and function of the R1's and the excellent calliper of the RX, think of it as an upgraded RX or a hybrid brake.

ЭНДОТЕРМИЧЕСКИЙ кронциркуль и рычаги R1. Вы получаете чувство рычага и функцию R1's и превосходного кронциркуля ЭНДОТЕРМИЧЕСКОГО, думаете об этом как модернизированное ЭНДОТЕРМИЧЕСКОЕ или гибридный тормоз.

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Mud Plugger

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1 month, 3 weeks ago

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MudPlugger

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Answer:

There is no such thing as R1S calipers.

R1S Brakes consist of R1 design levers and RX design calipers.

So effectively R1S Brakes is a mix between R1 and RX.

4 months, 2 weeks ago

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CRCAnton

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I am using manitou r7 fork but do not know which year is it. I want to convert from 160mm rotors to 180mm rotors so what adaptor should I use?

Could you pls send me the link of the adaptor?

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8 months ago

by

Spiderris

serangoon,SG

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Answer:

Just forget about the below if you've already solved the matter.

It's the disk brake that decides which adaptor to use, not the fork.
Check the brand and model No of the brake first and look for the
right adaptor. It should indicate on the catalogue or whatever like
"160mm-180mm adaptor". You can probably find one on CRC site.

Make sure to choose the Post-Mount type, which is the standard
of Manitou, not the international type. Never use the adaptor of the
different brand, as it's too risky and very dangerous.

I've once done the same conversion with a Manitou fork & Avid BB7.
I got the right adaptor from CRC and it worked perfectly.

Good luck.

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5 months, 4 weeks ago

by

watanabe

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Due to the in depth technical information that we will require to answer your question, I would ask that you contact a member of our tech team using the link below. They will be happy to assist you further.
http://www.chainreactioncycles.com/...

8 months ago

by

crcsimon

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2 answers

PRO FLEX ANIMAL FULL SUSPENSION BIKE

CAN YOU HELP I NEED TO NO WHICH FRONT SHINANO DERAILLEUR I NEED
FOR THIS FRAME THANKS J/D

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3 days ago

by

DIPPS

tenbury wells,GB

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Any front derailleur will work as long as you get four basic things right:

Top swing
Bottom pull (or dual-pull)
31.8mm clamp diameter.
Same "speed" as your rear sprockets and chain (original spec appears to have been 8-speed)

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3 days ago

by

Jimothy

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