Bike Crankset BB 170mm Crank Arm 30-42T Round Oval Chainring for SHIMANO 8-12S
CRANKSET INTRODUCTION:
CRANKSET MATERIAL: Aluminum alloy,ultralight
CRANK ARM LENGTH: 170mm
WEIGHT: about 800g (24mm spindle, 170mm length)
COMPATIBLE CHAINRING: Single/Double/Triple chainring; 7/8/9/10/11S chainring
COLORS: Black,Red
BOTTOM BRACKET: 68/73mm thread BB and 86-93 Press BB(BB with an inner diameter of 24mm are applicable)
Crank description:
Brand: JIANKUN (IXF)
Crank Arm length: 170mm
Material: Aluminum alloy,ultralight
Compatible: Single/Double/Triple chainring; for 7/8/9/10/11S chainring
Bolt Center Diameter: 104mm BCD
Weight: about 637g (right & left)
Color: black, red
Advantages: light weight,stylish appearance,very cool,high strength axle,strong compatibility
 
Bottom Bracket description:
Brand: JIANKUN
Size: 41*24*24mm (threaded)
Spindle/Bearing inner diameter: 24mm
Fit BB shell width: 68/73mm
Fit BB shell inner diameter: 1.37in x 24 TPI
Spindle Interface Type: Hollowtech II
Chain line: 48.5mm
Bearings: Sealed (3 spacers included)
Hollow axle, one piece external bottom bracket for MTB/Road bike,folding bike refitting
Suit for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on
 
Chainring description:
Brand: BUCKLOS
Material: A7075 Aluminium Alloy
Bolt Center Diameter: 104mm
Thickness:4mm
2mm(narrow),3.8mm(wide)
Weight: 41g(32T),51g(34T),63g(36T),83g(38T)
Process:Full CNC engraving and milling, anodic oxidation, full of the laser marking
Function:Minimize the probability of chain, simplifying the variable speed system, minus the excess weight.
 
Please Note: 1.The chainring bolts in the Crank package is silver color,not the black and red on the picture.Thank you!
 
 
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