Description: Designed specifically for Shimano 24 mm spindle cranksets and BB86 road frames (41 mm shell ID, 86.5 mm width), the First Components BB86 Bottom Bracket delivers precision engineering, lightweight strength, and smooth, durable performance for road cyclists and racers. Key Features: Shimano-Compatible Interface – Press-fit BB86 cups precisely engineered for Shimano Hollowtech II cranks with 24 mm spindles, ensuring a secure and reliable fit. Ultra-Light Alloy Cups (64 g) – Made from high-grade aluminum for a strong, lightweight setup ideal for performance-focused builds. Ceramic Bearing Option – Available with premium ceramic bearings for enhanced efficiency and longevity. Thread-Together Version (110 g) – Features alloy cups connected by a threaded sleeve that ensures perfect alignment and easy installation/removal using a standard 16T Shimano tool. Lightweight Nylon Cup Option (77 g) – Offers a cost-effective solution with durable nylon construction and reduced weight. Sealed Bearings – All versions come with sealed bearing units to protect against dirt, moisture, and wear, ensuring low maintenance and long-term performance. OEM-Grade Quality – Manufactured to high standards for consistent performance and trusted by OEM partners.
