BOLANY 170mm Bike Crankset 34T Hollow Integrated 104BCD Single Speed Round Chainring Aluminum Alloy MTB Crankset with BB91 Bottom Bracket

Product Name:Bike Crankset 34TBrand:BOLANYMaterial:7075-T6 Aluminum AlloyWeight: Around 850g170mm Crank length104BCDHollow Integratedwith BB91 threaded bottom bracketWide and narrow tooth Single speed chainringCompatible with 8/9/10/11/12 speedIncreased efficiency: Our cranks are designed to transfer power from your legs to therear wheel with maximum efficiencyUnbeatable durability: Our cranks are made from the strong and durable materialsBetter chainline: with a wider chainline, our cranks ensure stable and consistent chainperformance, reducing the risk of chain drop or derailmentEasy compatibility: Our cranks are designed to be compatible with a wide range of bottom bracket types

• Material:7075 T6 Aluminum Alloy Crankset.The crank arm and chainring is Aluminum Alloy.Rugged and durable, Precision tooth shape,smooth shifting.High strength removable chainring,Easy to retrofit.The shaft is made of Chrome Molybdenum Steel,Improve the stability of crank and hollow shaft
• Compatibility: Compatible with 8/9/10/11/12 speed. Wide and narrow tooth Single speed chainring.34T.Hollow Integrated, with BB91 threaded bottom bracket. 104BCD.170mm Crank arm. 24mm Shaft outer diameter
• Bottom Bracket: BB91 threaded bottom bracket,BB91 BC1.37 * 24T suitable for 68-73mm bottom bracket MTB, Road bike.Built-in bearing with high lubricity.Smooth pedaling and noise reduction.Contains aluminum alloy gasket *3
• Internal weight reduction design,Make cranks lighter.It is fixed with multiple threads.make the crank force more direct.CNC machining process, And surface heat treatment process forging.Higher strength and more exquisite.No imperfections. Easy to clean
• Lightweight design.Around 850g.reduces the overall weight of the bike, making it easier to handle on the trails.They are packed in a exquisite box. You can give them as gifts to your family or friends. Upgrade your ride with our bike cranksets. They are specially designed for MTB. Top-level performance and durability