Tripeak T45 Bottom Bracket – Ceramic & Steel Bearings | 3-in-1 System for Shimano, SRAM & Rotor Cranks
Upgrade your ride with the Tripeak T45 Bottom Bracket, engineered for pure speed, ultra-smooth power transfer, and long-term durability. Designed with Tripeak’s innovative 3-in-1 crank compatibility system, this high-performance T45 BB fits Shimano, SRAM, and Rotor cranksets straight out of the box—no adapters, no compromises. Whether you choose the ceramic bearing variant for maximum watt-saving speed or the steel bearing version for bulletproof longevity, this bottom bracket delivers elite-level performance for demanding riders.
Perfect Fit for T45 Frames
This bottom bracket is built specifically for T45 shells found on numerous high-end frames, including:
• Time
• Colnago (selected models using T45)
• Cervélo (T47 variants cross-referenced; check frame spec)
• Premium custom frames using T45
If your frame uses T45, this is the premium upgrade your drivetrain deserves.
Key Features:
3-in-1 Crank Compatibility – Shimano, SRAM & Rotor
Tripeak’s clever interchangeable system ensures perfect alignment and optimal bearing preload for:
• Shimano Hollowtech II
• SRAM GXP & DUB
• Rotor 30mm & 24mm
One BB. Three standards. Zero hassle no creaking
High-Performance Ceramic or Steel Bearings
Choose your speed:
• Ceramic Bearings: Ultra-smooth, low friction, watt-saving performance for maximum efficiency.
• Steel Bearings: Highly durable, reliable, precision-ground stainless steel for all-weather riding.
Both bearing types offer fast spin-up, incredible smoothness, and minimal resistance.
Alloy Cups for Strength & Precision
Manufactured from premium alloy for:
• Perfect thread engagement
• Enhanced rigidity
• Long-term durability
Engineered to keep your drivetrain stiff, responsive, and efficient.
Low Friction. Ultra Smooth. Built for Speed.
Experience:
• Reduced drag for faster acceleration
• Watt savings during sustained efforts
• Long-lasting smoothness thanks to Tripeak’s precision sealing
• Increased power transfer through stiffer structure and superior bearing quality
This is a bottom bracket chosen by riders who demand marginal gains—and feel them.
Includes Fitting Tool
Every Tripeak T45 bottom bracket comes with a custom installation tool, ensuring perfect fitment and alignment from day one.
Why Upgrade to Tripeak T45?
If your goal is to build the fastest, smoothest, most efficient setup, Tripeak is the benchmark:
• Reduced friction for more speed
• Increased bearing durability
• High-quality alloy construction
• Seamless multi-crank compatibility
• Superior value vs competing T45 BBs
Specifications
T45 Bottom Bracket 45mm / 82.5mm
Alloy Cups
3 in 1 core system - Shimano HTII, Sram Dub and Rotor 3D+ crankset compatible
Grade 5 ceramic and steel bearing options
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