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Product DescriptionSteel bottom bracket shaft Pedal reinforcement insert (steel) Compatible shell width: FC-M640 (2.7/2.9 inches (68/73 mm)), FC-M645 (83 mm)). Press fit, bottom bracket compatible. |
ZEE M640 SeriesShimano Shadow RD+ Short Cage Speed |
2-Piece CranksetIntegrated crank arm and bottom bracket. Wide bearing positions |
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1. Insert right crank arm unit |
2. The wide part of the left crank arm and the wide shank of the right crank arm unit.(A) Wide part (left crank arm) (B) Wide part (shaft) |
3. Tighten the cap using a Shimano dedicated tool.(A)TL-FC16 (B)Cap (C) Left Crank Arm. |
4. Push the anti-shift plate, make sure the plate pin is set, tighten the bolt on the left crank arm.(A)Plate Pin (B) Anti-Slip Plate (C) Left Crank Arm. (z) Figure shows the left crank arm (cross section) |
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Shimano ALIVIO FC-T4060 Crankset (1.9 x 1.4 x 1.4 x 1.4 inches (48 x 36 x 26T) | Shimano 42-32-22T ALTUS FC-M311 Crankset | Shimano TOURNEY FC-A070 No Chain Guard Crankset | Shimano TOURNEY FC-A073 50 x 39 x 30T Crankset | Shimano FC-M640 36T 10S Accessories SM-BB51 | Shimano FC-4700 Crankset 10S 50X34T | |
Series | ALIVIO T4000 | ALTUS | TOURNEY A070 | TOURNEY A070 | ZEE M640 | TIAGRA 4700 |
BB Shell Width | 68, 73mm | - | 68, 70mm | 68, 70mm | 68, 73mm | 68, 70mm |
Compatible BB Type | Outside | Square | Square | Square | Outside | Outside |
Compatible Chain | HG for 9 speed | Speed: 7/8S | HG | HG | HG-X 10 Speed | HG-X 10 Speed |