KMC Z51 Bicycle Chain (6 & 7 Speed, 1/2 x 3/32-Inch)

Shimano UN55 BB Square Taper Bottom Bracket (68x122.5mm)

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The Shimano BB-UN54/55 Square Taper bicycle bottom bracket gives you reliable strength for square tapered cranksets.

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Product Review

The Shimano BB-UN54/55 Square Taper bicycle bottom bracket gives you reliable strength for square tapered cranksets.

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KMC Z51 Bicycle Chain (6 & 7 Speed, 1/2 x 3/32-Inch)