GANOPPER 30T MTB Crankset 1X Mountain Bike Crank Arm Set 170mm with 68mm 73mm BSA Bottom Bracket for MTB BMX Road Bicycle

• Material: Alu 6061 MTB Bike Crank ,Design of Stiffener,Durable,Light Weight.7075 Alloy Aluminum Single Speed 30 Tooth Narrow wide Chainring,rainbow plating chainring bolts
• Size: 30T,Shape:Round. Chain ring Weight: 28g(0.06 lbs) ,Fit for 9 Speed,10 Speed,11 Speed Mountain Bike crank set,Easy to refit Singlespeed MTB, Road Bike BMX Crankset etc.,
• BCD: 104 mm(Outer Circle) .Crank Arm Length: 170mm .Color: Matte Black .
• Compatible with 9/16 inch pedals; 1/2"*1/8" chain work well on this crankset
• Bottom Bracket: Cups-1.37*24T/68mm~73mm(English Standard),Compatible with: Shimano, FSA, Gaint ATX770 ATX770-D XTC 750

Specifications: Material: Aluminum Alloy Crank&7075 Alu 30T Chainring BCD: 104mm Crank Arm length: 170mm Fit For: 9/10/11S MTB BMX Road Bike XC rail B.B BSA: 68~73mm, threaded BB included in the parcel Color: Black Crank Bolt Diameter: 18mm Chain ring Size: 30T Shape: Crown Chainring Bolts: plating Package Includes: 1 x one fordged crank set 1 x Bottom Bracket 1 x 30T Single Chainring 4 x Chainring bolts(set) 1 x M18 crank screw 1 x Crankset bolt Allen Wrench FAQ Q: How many teeth on this crankset? A: 30T Q: What is the lenght on this arm? A: 170mm Q: Does this Crankset come with both crank arms or just the drive side? A: Come with both Q: What pedal size does this Crankset work with? 9/16 or 1/2? A: 9/16" Q: What is the BCD of this Crankset? A: 104mm Q: What chain width does it use? A: Standard 1/2" X 1/8" Q: Does this work on a square taper Crankset? A: It is a crankset made for hollowtech bottom brackets Q: What size bottom bracket should be used for a single speed bike? A: Shell Width is 68~73 mm, Spindle Length depends on the frame you are using - if you can get it from the manufacturers website, that would be the best bet Q: Does this Crankset come with a bottom bracket? A: Yes