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Carbon Steel sealed bearings offer increased durability and a higher life cycle than standard bearing types
eliminating unwanted clearance issues for a clean
This bottom bracket is a direct replacement for popular Shimano models including: Deore SM-BB52
Available in six durable anodised colour finishes — Black
ensuring long-term durability and performance on any terrain
Shimano SLX M666 - Deore M615 J03A / J04C Compatible Finned inserts Compound:Race-Matrix Carbon Steel sealed bearings offerNote: These inserts are designed for use only with Uberbike finned backplates and must not be used without them. The Uberbike Finned Disc Brake Pad Inserts are designed for use with Shimano XTR M985 XT M785 SLX M666 Deore M615 J03A J04C disc brake systems. Engineered for riders who demand uncompromising braking performance, these inserts fit perfectly with the Uberbike finned backplate and allow you to refresh or fine tune your braking setup with a