Description
Crank description:
Crank: 170MM
Material: AL6061 aluminium alloy
Compatible: Single/Double chainring; 7/8/9/10S chainring
Specifications: BCD: 104mm ,related holes distance: 74mm
Weight: about 637g
Colour: Black
Advantages: the use of AL6061 aluminium alloy, light weight, appearance and fashion, very cool, axial strength, strong compatibility

Chainring description:
Brand: SNAIL
Type: Single speed
Material: 7075-T6 aerospace aluminium alloy
Compatible with 8,9,10,11 speed chain
Colour: Black
Thickness: 4MM
BCD: 104MM
Size:32T
Shape: Round
Round Weight: about 38g


Bottom Bracket description:
Can fit bike bottom 68-73mm
Size: 41*24*24
hollow one tooth disk axis, for mountain bikes, road cycling bike, folding bike refitting
BSA:68--73mm cups-BC-1.37*24/68mm Chain line:48.5mm
Suit for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on

All fixing bolts included

I'm running one of these on my On One 456 and it has been great. no issues and a bargain price.