Samox MTB Folding Gravel 1x9/10/11 Speed Crankset 40T Hollowtech BSA 24mm Spindle Bottom Bracket

Option:
1, Crankset only
2, Crankset + BB: come with BSA orginal bottom bracket
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Item 1: Crankset
Brand: Samox 
Arm material: Aluminum alloy
Color: Black
Speed: 1 x 9/10/11 Speed
Chainring: 40T
Compatible chain: 9/10/11 Speed
Chain guard: Yes
Arm length: 170mm
Bottom bracket type: HollowTech
Spindle: 24mm
Made in Taiwan
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Item 2: Bottom bracket
Type: Hollowthch
Shell thread: BC1.37" x 24T
Shell width: 68/73mm
Sealed cups keep out dirt and water
Maintenance free, easy installation