Key Features
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Isis Drive Compatibility
The Truvativ BB DH Isis features the ISIS Drive system, which is a robust, 10-spline interface designed for a secure connection between the bottom bracket and the crankset. The ISIS standard ensures a strong, stiff connection that maximizes power transfer, particularly important in downhill riding where every bit of efficiency counts. -
Durability for Downhill Riding
Built to handle the demands of downhill mountain biking, this bottom bracket features heavy-duty construction that can withstand the forces and impacts encountered on rough, technical descents. The sealed bearings are designed to be resistant to dirt, moisture, and grit, ensuring smooth operation even in harsh conditions like mud or water. -
130mm Spindle Length
The 128mm spindle length provides an optimal crank arm positioning for downhill riding. This length offers the perfect balance between pedal clearance and bike handling, especially when navigating through rocky terrain or aggressive cornering. The length is measured from the center of the bottom bracket to the center of the pedal thread. -
BSA Threading (68/73mm)
This bottom bracket comes in the 68mm/73mm BSA threading, which is compatible with most modern mountain bike frames. The BSA (British Standard Thread) is a common threading system for mountain bikes and ensures compatibility with a wide range of frames. -
Sealed Bearings
The sealed bearings in this bottom bracket provide long-lasting smoothness and minimize maintenance. These bearings are designed to keep out contaminants like dirt, water, and grit, ensuring they continue to roll smoothly even in wet or muddy conditions. -
Crankset Compatibility
The Truvativ BB DH Isis is compatible with Isis Drive cranks. This includes a wide variety of downhill and aggressive mountain biking cranks, providing you with a solid, stiff, and reliable crankset interface. The ISIS Drive system is designed for greater power transfer compared to traditional square-taper bottom brackets. -
Lightweight Design
While durable and strong, the Truvativ BB DH Isis is designed to be relatively lightweight, offering a good strength-to-weight ratio. It won’t add unnecessary weight to your bike, which is especially important for downhill riders who want to maintain control and minimize bike weight. -
Easy Installation and Maintenance
The Truvativ BB DH Isis is designed for easy installation and maintenance. It’s a user-friendly component that can be installed with basic bike tools. Regular maintenance (cleaning and greasing the threads) will ensure longevity and smooth performance.
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