Bike Crank Arm Set 170mm 104 BCD Mountain Bike Crankset with Bottom Bracket Crank and Chainring

Features:

【Ultra-light Material】Crank and Chainring made of high strength aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility.
【Professional Design】Ergonomic structure,Super lightweight and incredibly strong.Best choice for riders who want more control on their bicycles.
【SWTXO Crank Size】BCD: 104mm/4.09in. Crank Arm length: 170mm/6.69in, Crank related holes distance: 74mm/2.91in.
【DECKAS Chainring】Single speed narrow wide 104mmBCD, 32/34/36/38T, Round, Black, red, blue, gold
【Easy Installation and compatibility.】 Compatible with most mountain bikes and dirt bicycles.Including not confined to Shimano, FSA, Giant ATX770 ATX770-D XTC 750.

Specifications:

Crank description:
Brand: SWTXO
Crank Arm length: 170mm
Color:Black/Red
Material: AL6061 aluminum alloy
Compatible: Single/Double chainrings; for 7/8/9/10/11/12S chains
Bolt Center Diameter: 104mm BCD
Weight: about 705g (right & left)

Chainring description:
Type: Single speed
Color: Black,Red
Material: Aluminum alloy 7075-T6
Bolt Center Diameter: 104mm BCD
Teeth: 32/34/36/38/40/42/44/46/48/50/52T Round Chainring
Thickness: 4mm (1.9mm Narrow, 3.7mm Wide)
Compatible with: 7/8/9/10/11/12 speed chains