Description

BBB RoundAbout 4 BCR-07 104 BCD Chainring
Elevate your mountain bike´s performance with the BBB RoundAbout 4 BCR-07 104 BCD Chainring, a premium upgrade designed for the dedicated MTB cycling enthusiast. Engineered for precision, durability, and flawless shifting, this chainring is the perfect choice for riders looking to replace a worn-out component or enhance their drivetrain´s efficiency on the trail. Whether you´re tackling steep climbs, navigating technical singletrack, or sprinting on flat sections, the RoundAbout 4 delivers the reliability and crisp performance you demand.
Key Benefits:
* Superior Shifting Performance: Experience lightning-fast and incredibly smooth gear changes, even under heavy pedaling load. The RoundAbout 4 is designed with special, strategically placed transmission lugs that expertly guide the chain, ensuring a seamless transition between rings for a confident and uninterrupted ride.
* Exceptional Durability and Longevity: Built to withstand the rigors of aggressive MTB cycling, this chainring is precision-machined for maximum strength and wear resistance. Its robust construction ensures it can handle countless miles of mud, grit, and demanding terrain, providing you with a dependable component that lasts.
* Broad Drivetrain Compatibility: Eliminate the guesswork when upgrading your bike. The BBB RoundAbout 4 is engineered for versatile compatibility, working flawlessly with both Shimano and SRAM 9-speed (9s) and 10-speed (10s) mountain bike drivetrains, making it an accessible and high-value performance enhancement.
* Optimized Power Transfer: The precise CNC-machining process creates perfectly formed teeth that engage the chain with unparalleled accuracy. This results in minimal power loss, ensuring that every watt of your effort is transferred directly to the rear wheel for maximum forward momentum.
Main Features:
The BBB RoundAbout 4 is a testament to thoughtful engineering for the modern mountain biker. Its 104 mm BCD (Bolt Circle Diameter) is a widely used standard, ensuring a direct fit on a vast array of 4-bolt MTB cranksets. This makes installation straightforward for a quick and effective upgrade. The design focuses on providing a tangible improvement to your shifting, with every detail geared towards creating a more efficient and enjoyable riding experience.
BBB ´´RoundAbout´´ 4, chainrings with lugs:42/44.
With special transmission lugs.
Compatible with Shimano and SRAM.
CNC-machined 7075 T6 aluminum.
Take your RoundAbout for a spin.
Technical Specifications:
* Model: BBB RoundAbout 4 BCR-07
* Primary Discipline: MTB Cycling
* Bolt Circle Diameter (BCD): 104 mm
* Bolt Pattern: 4-Bolt
* Drivetrain Speed Compatibility: 9-Speed (9s) and 10-Speed (10s)
* Brand Compatibility: Shimano and SRAM
* Shifting Enhancement: Integrated special transmission lugs
* Material: High-strength 7075 T6 Aluminum Anthracite