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Shimano M640 Zee 68/73mm Crankset W/36T

Item #: CR245A01
USD$99.99 SAVE 21% USD$125.99 msrp
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Shimano M640 Zee 68/73mm Crankset W/36T

Shimano’s ZEE line is designed for those of us who don’t have big name sponsors, but still love to crush lines. Featuring a DH specific design, ZEE components are ready to take anything you can throw at them. The ZEE crankset features a thick wall, 2 piece aluminum construction with a reinforced steel axle and steel pedal inserts to keep your pedals from ripping out.
  • Fits 68/73mm BB shells
  • Includes bottom bracket
  • 10-speed only
  • 2-Piece Crankset
  • Reinforced steel axle
  • Steel pedal inserts
  • Weight: 823g
4.6 / 5.0
31 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
18
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Awesome replacement or upgrade!
I needed to replace a broken crank on my Transition Double but didn't really want to drop down a ton of $$$.

This was the perfect replacement and upgrade! Price was perfect and installation is quick and easy.

Not really sure why it's listed as a 10 speed only crank. Maybe the teeth spacing on the chain ring? Didn't really matter since I wasn't planning to use the chain ring that came with it.

PROS: Attractive Design, Easy To Install, Durable

BEST USES: Upgrade, Mountain Biking
November 4, 2013
Location:
San Diego, CA
Nice product, nice price
This is a very nice crankset for the price. It is very durable and performs great. The crank arms are more of a brownish black color, which may not match quite as nice as jet black arms, but who cares anyway. I just mention that because I noticed it (and some people may care). I have not had any issues with this crankset. I am very happy with my purchase.

PROS: Durable, Price, Attractive Design

CONS: Heavy
July 31, 2014
Location:
Minneapolis, MN
Great Crankset for an amazing price
Purchased the Zee Crankset for my Bottlerocket bike build as a more "budget minded" setup. I also run the Saints on my Blindside and was very happy to see the quality of the Zee's, especially for the price paid.

PROS: Attractive Design, Easy To Install, Lightweight, Amazing Price, Durable

CONS: NONE

BEST USES: Mountain Biking, Downhill, Free Riding
April 5, 2013
Location:
Cottage Grove, Oregon
ZEEper
Convert my Anthem X to 1x10, with 11/36 cog and medium rear mech with clutch. Zee crank was perfect, not to much pricy, it was on the budget, chain line was great, no more noise things every time I pedal, and you gonna feel the stiffness of the crank every time you pedal it(specially on uphill).

PROS: Attractive Design, Easy To Install, Durable
August 19, 2014
Location:
Qatar
Awesome upgrade
Best upgrade I did to my bike turning it from 3x10 to 1x10 and with matching deraileur makes for a much better performance than my Shimano deroe. Shifting is so crisp and smooth you somethings wonder if the gears even changed. So if your looking to change it up abit on your bike I say go for this you won't be disappointed.

PROS: Attractive Design, Easy To Install, Lightweight, Durable

BEST USES: Upgrade, Mountain Biking
August 20, 2015
Location:
Teaneck, NJ
Solid Crankset
Installed on my Specialized Hardrock 29er. Easy to setup and is a great upgrade from the stock three-ring crank. Came with a 36T ring which is perfect for me because I don't have TOO many steep climbs in my local park.

PROS: Easy To Install, Attractive Design, Lightweight, Durable

BEST USES: Mountain Biking, Upgrade
March 5, 2014
Location:
Fort Lauderdale, FL
Soo smooth
This was an upgrade from my truvative howitzers.. Glad I switched.

PROS: Lightweight, Easy To Install, Fit Nicely Easy Install, Durable, Attractive Design
August 28, 2014
Location:
montreal, Quebec, Canada
Shimano zee
Good for 1x10.

PROS: CHEAP, Easy To Install, Durable

CONS: Heavy

BEST USES: Upgrade, Mountain Biking
August 6, 2015
Location:
Cleveland, Oh
Sturdy and Inexpensive
Bought this to replace my modded XT 785 (removed all but large chainring) for my 1x11 setup.
Installed easily in my existing XT BB70.
Very sturdy-no flex at all under hard pedaling.
Looks pretty cool too.
Sure, it's heavier than my old XT crank, but it doesn't interfere with my MRP chainguide like the XT785 did.

PROS: Easy to Use, Durable
June 26, 2016
Location:
South Florida
Great crank, Great price
This is a great crank at a great price, easy to work with.

PROS: Durable, Easy to Use, Lightweight, Versatile

BEST USES: Mountain Bikes, Commuting
August 12, 2016
Location:
Oregon

Q & A

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Browse 2 questions Browse 2 questions and 2 answers
What model bottom bracket is included with this crankset? Is it compatible with a 73mm English threaded shell?
James on Jul 18, 2016
BEST ANSWER: Comes with and is compatible with both 68 and/or 73MM BB
Hi. I want to swap out the chainring on this crankset for an oval/elliptical chainring. What's the BCD?

Thanks,
Sarah
Sarah on Apr 12, 2016
BEST ANSWER: Hey Sarah!! The BCD on Shimano Zee cranks is 104.

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Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.