五通軸承 - GXP Bottom Bracket

Gutter Seal Technology drastically improves sealing against the elements while reducing seal drag. We've designed a fresh cup forging for a high-end look. A new standard in external bearing performance.

• Gutter Seal Technology™ drastically improves sealing against the elements
• GXP's Gutter Seal design reduces friction
• Improved tool engagement
• Sealed cartridge bearings
• English or Italian threads

GXP
GXP's gutter seal design cuts friction, durability and weight-improving both feel and performance.