Item: Crankset+Bottom Bracket+Chainring 3 items set

Quantity: 1 set(with bolts)

Color: Black crank with black chainring,silver bolts.

Crankset

Brand: JIANKUN IXF

Material: Aluminum alloy

Length: 170mm

BCD: 104mm

Weight: 637g/set

Bottom Bracket

Can fit bike bottom 68-73mm

Size: 41*24*24

Chainring

Brand: DECKAS

Material: A7075 Aluminium Alloy

Teeth: 32/34/36/38

Shape: Round/Oval

Bolt Center Diameter: 104mm

Thickness:4mm,

2mm(narrow),3.8mm(wide)

Weight: 51g(34T),68g(38T)

Narrow-wide tooth profiling prevents chain drop without a chainguide

Compatible with 8/9/10/11 speed chains

Narrow Wide tooth profiling ensures ultimate chain retention with 1x chains.