Shimano Deore BB52 Hollowtech II bottom bracket cups

SHIMANO Deore BB52 Hollowtech II Bottom Bracket Cups | 83mm BSA

Elevate your mountain biking experience with the SHIMANO Deore BB52 Hollowtech II Bottom Bracket, a benchmark for performance and durability in the world of MTB cycling. Engineered for the demands of the trail, this essential bike part is the perfect upgrade for riders seeking reliability and efficiency without compromise. As a cornerstone of the legendary Deore groupset, the BB52 brings pro-level technology to every cyclist, ensuring your power is transferred directly to the dirt.

Designed specifically for mountain bike frames with an 83mm BSA threaded shell, this bottom bracket integrates seamlessly with SHIMANO´s 24mm Hollowtech II cranksets. The outboard bearing design is a key feature, placing the high-quality bearings further apart. This creates a wider, more stable platform that significantly increases stiffness and rigidity, reducing flex under heavy pedaling loads. The result is more direct power transfer, sharper acceleration, and a more responsive feel, whether you´re climbing a steep grade or sprinting out of a corner.

With improved sealing and rotation, the SHIMANO DEORE bottom bracket provides great driving efficiency. SHIMANO has invested heavily in its sealing technology, and the BB52 is a prime example. It features a precision-engineered, multi-layer seal structure that provides exceptional protection against the elements. This robust barrier effectively locks out water, mud, grit, and dust, safeguarding the internal bearings from contamination. This superior sealing not only ensures consistently smooth rotation ride after ride but also dramatically extends the service life of the component, meaning less time in the workshop and more time enjoying the trails.

The smooth-rolling bearings are designed for low friction and long-lasting performance. You´ll immediately notice the difference in how freely your cranks spin, reducing wasted energy and helping you maintain momentum on long rides. This efficiency is a hallmark of the Hollowtech II system, making the Deore BB52 a smart and cost-effective performance enhancement for any compatible MTB setup. Installation is straightforward for any mechanic with standard BSA bottom bracket tools, making it an accessible upgrade for home mechanics and professional bike shops alike.

Choose the SHIMANO Deore BB52 for its proven track record of reliability. It´s a true workhorse component built to withstand the rigors of aggressive trail riding, cross-country racing, and all-day epic adventures.

Key Features:

* Outboard bearing design for increased stiffness and stability.
* Designed for SHIMANO Hollowtech II (24mm spindle) cranksets.
* Advanced sealing structure for superior protection against contaminants.
* High-quality bearings for smooth, efficient, and long-lasting rotation.
* Durable and lightweight construction trusted by riders worldwide.
* Threaded BSA fitment for secure and reliable installation.

Specifications:

* Application: MTB Cycling
* Series: SHIMANO DEORE
* Technology: HOLLOWTECH II
* Bottom Bracket Type: Threaded
* Case width (mm): 83 (BSA)