Shimano BB-RS501 Hollowtech II English Bottom Bracket Stems (direct mount

(direct mount

The wide mouth of the thermos helps with easy pouring into the lid that doubles as an eight-ounce cup

ventilation and wicking keep you cool and dry

Better fit means better performance

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Shimano BB-RS501 Hollowtech II English Bottom Bracket Stems (direct mountThe Shimano BB RS501 bottom bracket features an enhanced seal construction to provide long lasting performance and service life Designed for a perfect fit with Hollowtech II 24mm crank spindles Anodized aluminum cups are high strength and light weight Spindle Interface Type: Shimano Hollowtech II Series: Tiagra BB Shell Width: 68mm English, or 70mm Italian BB Frame Interface: choose; English, or Italian Weight: 92g. Color: Silver