BOLANY Hollow Integrated Crankset for Single Speed Bikes

Product Description

The crankset is designed with a chaining feature, a steel axle, and a weight reduction mechanism. Its precision teeth and hollow integrated construction contribute to its impressive performance. This crankset is compatible with 8/9/10/11/12-speed transmission systems and suitable for both wide and narrow single-speed chainrings. It features a BB91 threaded bottom bracket, a direct mount form, a 170mm crank arm length, and a 24mm axle diameter, making it an excellent choice for cycling enthusiasts and a perfect replacement or upgrade for bicycles.

Constructed from 7075 T6 aluminum alloy, the crankset exhibits durability and sturdiness. The precise tooth shaping ensures smooth shifting performance, while the high-strength detachable chainring is easy to replace and upgrade. The chromium-molybdenum steel axle, with an internal weight reduction design, contributes to a lighter weight, with the entire chainring set weighing only 738 grams (including the bottom bracket).

The crankset is equipped with a BB91 threaded bottom bracket, featuring built-in high-lubricity bearings. This ensures smooth pedaling action and reduced noise. Additionally, it includes three aluminum alloy spacers, adding versatility to the setup.

Made of lightweight aluminum alloy material and featuring polished crank surface technology, the crankset provides excellent rust resistance for long-term use. It also boasts a durable and compact wide and narrow tooth design to prevent chain drops, ensuring strong engagement and high transmission efficiency.

Please note that these cranksets and chainrings are only compatible with single-speed setups. It is recommended to confirm the size and chainring needed before purchasing. If you have any questions, feel free to contact us.

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