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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Hand-built like all CHALLENGE products
with a Direct Mount fixing specific to Shimano
La gaine mesure 2
It is easy to install and remove thanks to its two straps
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Roulement ENDURO BEARINGS CO 6903 LLB - Zero Ceramic - 17x30x7 mm promo Hand-built like all CHALLENGE productsThe CO 6903 LLB Enduro Bearings bearing is an ABEC 5 ceramic hybrid bearing with Black Oxide treatment with dimensions 17 x 30 x 7 mm. This Enduro Zero technology combines ceramic balls, ABEC 5 precision and anti corrosion treatment for maximum performance. Silicon nitride (Si3N4) balls offer reduced friction and increased durability. ABEC 5 precision guarantees optimal concentricity and rotational consistency. The Black Oxide treatment enhances the
