1PC Chain Arm Set Aluminium Alloy Bike Bicycle Left Crank Arm Bicycle Repair Replacement for Mountain Bike (Silver Square Hole)

• 【STANDARD PRECISION CUTTING】Standard precision cutting of hole ,which ensures perfect fit to bike ,easy to install ,increases service life ,and reduces friction and noise . This crankset is compatible with single speed bike .
• 【DEFORMATION RESISTANCE】Made of premium aluminium alloy ,lightweight ,high strength and deformation resistance ,durable for long time use . A nice replacement for bike repair ,compatible with many bike models .
• 【170MM CRANK ARM LENGTH】170mm crank arm length without any overlap of crank arm and chain ring . Fine polish and great paint ,colorfast and stylish . At the same time ,we also provide different cranks for your choice .
• 【LABOR SAVING】Helps make riding more labor saving and efficient . Great accessory for bike lovers and DIY enthusiasts . Use the crank to DIY your own bicycle .Owning an exclusive and unique bicycle is a very fulfilling thing .
• 【PAY ATTENTION TO SHAPE】Pay attention to shape of inner hole of crank .The hole in the middle of some cranks is rhombus shaped ,and inner hole of standard square hole ,just confirm shape of your original crank .

Standard precision cutting of hole ,which ensures perfect fit to bike ,easy to instal . Made of premium aluminium alloy ,lightweight ,high strength and deformation resistance ,durable for long time use . Features : 【STANDARD PRECISION CUTTING】Standard precision cutting of hole ,which ensures perfect fit to bike ,easy to install ,increases service life ,and reduces friction and noise . This crankset is compatible with single speed bike . 【DEFORMATION RESISTANCE】Made of premium aluminium alloy ,lightweight ,high strength and deformation resistance ,durable for long time use . A nice replacement for bike repair ,compatible with many bike models . 【170MM CRANK ARM LENGTH】170mm crank arm length without any overlap of crank arm and chain ring bolt . Fine polish and great paint ,colorfast and stylish . At the same time ,we also provide different cranks for your choice . 【LABOR SAVING】Helps make riding more labor saving and efficient . Great accessory for bike lovers and DIY enthusiasts . Use the crank to DIY your own bicycle .Owning an exclusive and unique bicycle is a very fulfilling thing . 【PAY ATTENTION TO SHAPE】Pay attention to shape of inner hole of crank .The hole in the middle of some cranks is rhombus shaped ,and inner hole of standard square hole ,just confirm shape of your original crank . Specification : Material :Aluminium Alloy Options :Black Square Hole; Black Rhombic Hole; Silver Square Hole; Silver Rhombic Hole Total Length : Approx .20 . 5cm / 8 . 07in Hole Distance :170mm Fit for :Left side Weight :Approx .200 214g Package Included : 1 x Crank Arm