Shimano Sora FC-R3000 Crankset - 170mm 9-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray Model=Oval 96 BCD Asymmetric Chainring for Hyperglide+ Bead Socket Technology (BST) is

Bead Socket Technology (BST) is a patented rim shape that creates an advanced airtight system for tubeless bicycle rims and tires making an easier to use safer and more secure interface between the rim and tire

5" Material Rubber Width 20 Tire Diameter 12

Floating axle design

}RaceFace Narrow Wide Chainring: 104mm BCD 32t Green

Shimano Sora FC-R3000 Crankset - 170mm 9-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray Model=Oval 96 BCD Asymmetric Chainring for Hyperglide+ Bead Socket Technology (BST) isShimano Sora FC R3000 Crankset 170mm 9 Speed 50 34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray. Shimano Sora FC R3000 Cranksets2 piece crank construction Anodized aluminum and resin outer ring Steel inner ring TECH SPECS Color Gray Rings 50 34 Number of Chainrings Double Crank Length (mm) 170 Crank Intended Use Road Drivetrain Speeds 9 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 110