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․ For Shimano® MF compatible freewheels & Campagnolo® cassettes & splined
12-tooth bottom bracket cups found on the square type spindle systems
․ Use with 1/2" Two-way Ratchet Wrench (#53R4) or 21mm spanner
․ Product Dimensions : 4.3 x 2.2 x 2.2cm
․ Weight : 0.046kg
․ Color : Black
․ Material : Cr-V Steel
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