Bike Crank,Cranksets for Bikes 7 8 9 Speed MTB Bike Crankset 24T-34-42T 170mm Aluminum Alloy Chainwheel Sprocket Square Hole Bicycle Crank Set

Suitable for: mountain bike, folding bikeDental disc: 24-34-42TCrank: 170mmSuitable for variable speed: 6/7/8/9speedWeight: 853 GAxis fit: 120-124mmNote:1. Please Allow 1-3mm Differs Due To Manual Measurement.2. Due To The Different Display And Different Light, The Picture May Not Reflect The Actual Color Of The Item. Thanks For Your Understanding.

• The crankshaft is made of aluminum alloy material to increase its strength while reducing weight. Aluminum alloy cranks provide a good balance between strength and durability, making cycling more efficient and reducing energy loss.
• The design of cranks is usually optimized to ensure optimal ergonomics. This design helps to provide a good angle for force transmission, allowing riders to more effectively convert force into driving force when pedaling, thereby improving riding efficiency.
• The crankshaft has good compatibility and can be used in conjunction with various sizes and brands of bottom brackets and transmission systems, making it convenient for riders to upgrade or replace components as needed.
• The crank design can be matched with different numbers of gears (such as single speed, dual speed, three speed, etc.) to provide diverse riding performance and adapt to different riding scenarios (such as climbing hills, flat roads, or urban cycling), allowing riders to have a good riding experience under various conditions.
• The optimized design makes the installation and disassembly process of bicycle cranks more convenient. The crank facilitates daily maintenance for cyclists, ensuring the safety and performance of cycling.