SPECIFICATIONS

Brand Name: riro
Hign-concerned Chemical: None
Origin: Mainland China
Type: Bicycle Chainwheel
Material: carbon fibre
Category: Chain Wheel
Use: Road Bicycles
Model Number: RIRO XX11 RD
Choice: yes

Brand:RIRO 
Name:Carbon Fiber Crankset 
Speed:1/2 *10/11/12 Speed 
Length:170MM 
Teeth:46/48/50/52T(AL 7075-T6 CNC) 
Material:Carbon Fiber Crank+AL 7075-T6 Aluminum Alloy Disc 
Weight:
Crank:about 388g,
Single Disc:about 170g,
Double Disc:about 190g,
Bottom Bracket(BB):about:95g
Axis Diameter:24MM
Q-Factor:153MM