BOLANY Bike Cranksets Hollow Integrated 34/36T 170mm Single Speed Chainring Crankset with Bottom Bracket Compatible with MTB Road Gravel BMX Bike


Price: $49.99 - $43.99
(as of Aug 25, 2024 23:02:59 UTC – Details)


Product Description

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1 Chaining 2 Steel Axle 3 Weight Reduction 4 Precision Teeth 5 Hollow integrated

1 Packaging Contents 1 Weight 1 Dimensions

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Compatibility and Specifications: Compatible with 8/9/10/11/12-speed transmission systems. Designed for both wide and narrow single-speed chainrings. Featuring a hollow integrated design with BB91 threaded bottom bracket. Utilizes direct mount form, with crank arm length of 170mm and axle diameter of 24mm. Making it an excellent gift for cycling enthusiasts and family members, as well as a perfect replacement and upgrade for bicycles.
Material: Constructed from 7075 T6 aluminum alloy, the crankset exhibits durability and sturdiness. Precise tooth shaping ensures smooth shifting performance. The high-strength detachable chainring is easy to replace and upgrade. The chromium-molybdenum steel axle, with internal weight reduction design, contributes to a lighter weight, with the entire chainring set weighing only 738 grams (including bottom bracket).
Bottom Bracket: Equipped with BB91 threaded bottom bracket, featuring built-in high-lubricity bearings. This ensures smooth pedaling action and reduced noise. Includes three aluminum alloy spacers, adding versatility.
Durable and Lightweight: Made of lightweight aluminum alloy material, with polished crank surface technology, providing excellent rust resistance for long-term use. Also features durable and compact wide and narrow tooth design to prevent chain drops. Strong engagement and high transmission efficiency.
Please note that these cranksets and chainrings are only compatible with single-speed setups. Please confirm the size and chainring you need before purchasing. If you have any questions, feel free to contact us.

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