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The ultimate BB86 bottom bracket for SRAM DUB road cranksets, delivering ultra-low friction, extreme durability, and lifetime reliability.
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The CeramicSpeed BB ALPHA for BB86 Road (SRAM DUB) is engineered for BB86 press-fit frames (41mm bore, 86mm width) paired with SRAM DUB cranksets featuring a 28.99mm spindle. Built on the completely redesigned BB ALPHA platform, it sets a new industry benchmark for bottom bracket performance, longevity, and ease of installation.
At the core of BB ALPHA are hardened stainless-steel bearing races, hand-built in Denmark using Grade 3 Silicon Nitride ceramic balls. This construction delivers CeramicSpeed’s trademark ultra-low friction while dramatically improving corrosion resistance and long-term durability.
A newly developed system of custom low-contact seals and precision-engineered dust covers increases moisture and contamination protection by up to 500%, without sacrificing efficiency. Combined with a simplified internal spacer design and newly developed 7075 aluminum cups, BB ALPHA achieves a 10% weight reduction over previous generations.
Backed by extensive laboratory and real-world testing exceeding 1,000,000 km, and covered by CeramicSpeed’s lifetime warranty, this is a bottom bracket designed to outlast your frame.
FEATURES
BB ALPHA Platform
Complete redesign focused on durability, efficiency, and simplified installation
Hardened Stainless-Steel Bearing Races
Exceptional corrosion resistance and preload stability
Grade 3 Ceramic Bearings
Ultra-low friction with extended service life
Custom Low-Contact Seals
Up to 500% improved protection while maintaining efficiency
High-Stiffness Dust Covers
Reinforced POM construction refined through 28 design iterations
Stronger & Lighter Cups
New 7075 aluminum cups reduce overall weight by 10%
Optimized for SRAM DUB
Fewer spacers required for faster, easier setup
Handbuilt in Denmark
Tested in lab and field over 1,000,000 km
Lifetime Warranty
Full CeramicSpeed lifetime coverage
SPECIFICATIONS
Discipline: Road, Triathlon, Track
SKU: 115420
Bottom Bracket Standard: BB86 (41mm press-fit, 86mm width)
Crank Spindle Diameter: 28.99 mm (SRAM DUB)
Compatible Crank Brand: SRAM
Crank Width: 86.5 mm
Net Weight: 76 g
Gross Weight: 204 g
IN THE BOX
CeramicSpeed BB ALPHA for BB86 Road (SRAM DUB)
UFO All Round Grease (5 ml)
CeramicSpeed Decal