【MATERIAL】This crank arm is made of forged aluminum alloy 6061-T6, Chainring is ALLOY (50T,48T, 46T, 44T),STEEL (34T,32T,30T)which is of high strength and durable.Crank finish is BLACK SAND ANO,CHAINRING FINISH:BLACK SAND ANO.(50T, 48T, 46T, 44T),BLACK (34T, 32T, 30T).
【Feature】Crank Length :10/11 Speed,BCD:110/80MM,170MM,Chainring:48-32T/ 46-30T/ 44-32T,50-34T/46-34T,CHAINLINE: 44MM,CHAINRING THICKNESS:3/32"",Q FACTOR:165.8(48-32T/ 46-30T/44-32T),158.3(50-34 /46-34T),I-FACTOR:136.8(48-32T/46-30T/44-32T),129.3(50-34T/46-34T).Crankset:Hollow Integrated Bike Crankset,Shaft length: 129mm.
【Bottom Bracket】 BB68+,STANDARD:INTEGRATED TT ROAD BB-II,SHELL WIDTH:68MM,COMPATIBILITY:BC1. 37”X24T BB CUPS WITH O24MM SPINDLE,BEARING CUP:ALLOY, FORGED AND CNC MACH.EXTERNAL METAL GREY ANO.CUPS WITH LASER LOGO,CENTER SLEEVE :PLASTIC,GREY,COMPATIBLE WITH SHIMANO.
【COMPATIBILITY】Easy Installation,directly into the center column of the bike.,A good replacement for bike repair,compatible with Road Bike,Road Race. Check Frame chain stay clearance before purchase.
【PACKAGE INCLUDE】1x Bike CrankSet,BB,Screws,Please measure the size to confirm it fit your bike before you order.