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Stem: GIANT Contact ICR
Compatible with original Quad Lock twist-lock mounts and heads
Pad Compound: Disc E
first released in 1997
BB ALPHA für BB30 Shimano MTB Tubeless Stem: GIANT Contact ICRA bottom bracket that lasts longer than your frame. BB ALPHA features hardened stainless steel rings, handcrafted with grade 3 silicon nitride ceramic balls, custom seals, and precision protective covers. This provides up to 500% better moisture protection while maintaining ultra low friction resistance. The simplified spacer design and lighter cups allow for quick installation and a weight reduction of 10% compared to previous generations. All
