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Shimano ZEE FC-M640 incl. bottom bracket BSA 68/73mm Single 36T


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  • ZEE provides a rock-solid platform to support aggressive riding on mountain trails. This is one groupset that gives you the confidence to find your flow and handle even the gnarliest of downhill rides. If you’re a newcomer to gravity riding, ZEE is the perfect place to start.

    FC-M640

    The ZEE FC-M640 crank is designed for the rigors of gravity riding with thick-wall 2-piece cranks, a strong, steel axle, and steel pedal inserts. Chainrings include 34, 36, and 38T.

    • Strong thick-wall 2pcs-crank arm
    • Strong steel axle
    • Steel pedal insert
    • Choices of spec
      • FC-M640 68/73mm bottom bracket
      • FC-M645 83mm bottom bracket
      • Press-Fit bottom bracket compatible
      • 34T/36T/38T
    • Weight: 906g (FC-M640, 36T, 170mm, without bash guard) 938g (FC-M645, 36T, 170mm, without bash guard)


    • Specifications
      • Model number: FC-M640
      • Series: ZEE M640
      • Average weight: 828 g (38T), 817 g (36T), 807 g (34T)
      • 2-piece crank construction: Yes
      • Chain line (mm): 50.4
      • Chain ring combination: 38T, 36T, 34T (FC-M640/M645 chainring)
      • Compatible BB type: Outboard
      • Compatible chain: HG-X 10-speed
      • Crank Arm Length: 165 mm, 170 mm, 175 mm
      • Crank fixing bolt included: Yes
      • Gear arms: 4 arm
      • P.C.D. (mm): 104
      • Rear speeds: 10
      • Recommended BB Pressfit: SM-BB71-41A
      • Recommended BB Threaded (E-type): SM-BB52
      • Recommended BB Threaded (normal): SM-BB52
      • Threaded BB Shell Width: 68 mm, 73 mm
      • Q-factor (mm): 174.7

      This article cannot be shipped to countries outside of the European Union and all other countires of the European Free Trade Association (EFTA).
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    • 1x Crankset
    • Incl. bottom bracket
    • Incl. chainring
  • Show all items from ShimanoShimano is a Japanese multinational manufacturer of cycling components, fishing tackle, and rowing equipment. The company was founded in 1921 and is headquartered in Sakai, Osaka, Japan. Shimano is one of the largest and most well-known manufacturers of cycling components in the world, and its products are used by professional and amateur cyclists alike.

    Shimano's cycling components include a wide range of products, such as rear derailleurs, front derailleurs, cranksets, disc brakes, and gears. The company's products are known for their high quality, durability, and performance. Shimano's road bike components are divided into different product lines, such as Dura-Ace, Ultegra, and 105, with Dura-Ace being the highest-end line and 105 being the most affordable. Shimano also offers components for mountain bikes, including the XTR, XT, and SLX lines.

    One of Shimano's most popular and well-known products is its SPD (Shimano Pedaling Dynamics) system, which is a type of clipless pedal. The SPD system allows for a more efficient transfer of power from the rider's leg to the pedal, and it is widely used by both road and mountain bikers. Shimano also offers a wide range of fishing tackle, including fishing reels, rods, and lures.

    Shimano is also known for its commitment to sustainability, for example, in 2020 Shimano announced its goal to reduce CO2 emissions from its factories by 30% by 2025. Additionally, Shimano supports various cycling-related organizations and events, such as the Tour de France and the Giro d'Italia.

    Overall, Shimano is a well-established and respected company in the cycling industry, known for its high-quality and durable products, as well as its commitment to sustainability and support of the cycling community.
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