REVIEWS DEALS BIKESHOPS TRAILS

M960 Rings: Shimano v BlackSpire

1041 Views 6 Replies 4 Participants Last post by amillmtb, Jan 16, 2010

jOie

Discussion Starter · Jan 15, 2010

Hi, sorry if this is a repeat post. I've searched the forum and did not find an answer to my question.

I've seen posted weights for the M960 Blackspire chainrings, but cannot find any for Shimano's. The "Weight Weenie" website was not conclusive.

Does anyone know if the Blackspire rings are heavier than the Shimano's. At shop cost the difference will only be $30, so the money difference isn't a huge issue.

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AlexRandall

· #2 · Jan 15, 2010

The blackspire's were heavier, by how much I can't remember. They also lasted more than 1 muddy ride too

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jOie

Discussion Starter · #3 · Jan 15, 2010

Thanks for the response...I've heard from many sources that the XTR's wear out fast, but nothing specific. It sounds like you had problems with them...details?

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Jamenstall

· #4 · Jan 15, 2010

i have a new middle, granny and guard that i can throw on a scale for you. i will post the weights tonight.

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Jamenstall

· #5 · Jan 15, 2010

The Blackspire rings are as follows
Granny - 28 grams
Middle - 46 grams
and guard - 80 grams

There's also the Middleburn rings.

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AlexRandall

· #6 · Jan 16, 2010

jOie said:
Thanks for the response...I've heard from many sources that the XTR's wear out fast, but nothing specific. It sounds like you had problems with them...details?

I didn't get the 960 cranks until a year after they'd been released. In that time plenty of my racing mates has been through a few middle and large rings. There was no choice in those days, as the Blackspire's hadn't been released - you HAD to go with the 'cheese' rings