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Item # SHI002A

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  • Black, 165mm ($113.95)
  • Black, 170mm ($113.95)
  • Black, 175mm ($113.95)
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Item # SHI002A

Description

When it comes to bang for the buck, Shimano's Zee components — like this 68/73mm bottom bracket-compatible Zee FC-M640 Crankset — are hard to beat. Thick-walled aluminum construction with a reinforced steel axle ensures flex and failure are absent from your ride.

These two-piece cranks are 10-speed only and come with a 36t chainring. For added durability, Shimano gives the Zee cranks steel pedal inserts. The drive-side arm has a 104mm BCD, and it uses alloy chainring bolts. Shimano's Zee FC-M640 does not include a bottom bracket, and it comes in three lengths: 165, 170, and 175mm.

  • Thick-walled aluminum crank arms
  • Steel spindle
  • 104 BCD
  • Bottom bracket not included

Tech Specs

Arm Material:
alloy
Arm Length:
165 mm 170 mm, 175 mm
Chainring Sizes:
36 t
Bolt Circle Diameter:
104 mm
Bottom Bracket:
not included
Bolts:
alloy
Rings:
1
Spindle:
steel
Recommended Use:
mountain

Reviews & Community

REVIEWS

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Great Cranks, BB Included

    Like Dylan mentioned, there is a BB included with this set. The cranks are super solid and look great too in case you care. Great value Crankset.

    A little bit of profile.

    These are not wimpy cranks. These things are tough and you can tell that just from the profile.

    A little bit of profile.

    Doesn't get any tougher than this.

    • Familiarity: I've put it through the wringer

    I wanted to get a crankset that would go along with the burly nature of the bike that I was building, and the Zee crankset is the perfect addition.

    I built up a 2015 Surly Instigator 2.0 and wanted something that I knew would last. I already had the Zee derailleur so decided I would try the matching cranks and I'm glad I did! I'm not a big downhill rider, but being a bigger guy I wanted something that I knew would be sturdy and be able to withstand the style of riding that I do.

    I think the color looks great, they have a very solid feel to them, and going with the 175 length they feel just like my other cranks that I had on my other bike.

    The only reason that I didn't give these cranks 5 stars is because they are HEAVY. I mean, they are downhill cranks, so they are meant to be built tough, but if I was trying to build a light bike, these would not be the cranks I would use. Where I really am not crazy concerned about the weight, it wasn't a huge issue, but for some people it could be.

    Built solid like Shimano always does, and for the price you can get in to some awesome cranks! Check 'em out!

    Unanswered Question

    Can I use this on my Trek that has a press fitted BB?

    Just picked up BB included

    • Familiarity: I've used it once or twice and have initial impressions

    Just got this crank set and a Bottom Bracket was infact included Shimano part # SM BB51. More indepth review to come

    really? that makes it so much more worth it i need one badly!

    Unless the package I received was a mistake, I definitely received the above BB with it.