For Use With Shimano, Sram, Fsa, And Gaint, Jgbike Mountain Bike Crankset Sq\. ????- Best Deal,This is the most compatible crank arm set we offer for our best selling 104 bcd single chainring.In addition,it comes with 1pc 104bcd chainring in specific oval or round size; you are free to choose the 68/73BB version or Square Taper; ? - Identical Offer, The Crank arm set made with Forged AL-6061-T6 aluminum alloy,Strong high strength,crank Arm length 170mm,Bottom Bracket Width: 68-73mm,5pc chainring bolts,each product has been tested the compatibility with our chainring; ? - Gift Options, it's in Our's brand package, a great upgrade or replacement for your old bike bottle cage holder. You may find it a gift option to your husband, wife, boyfriend, girlfriend, or gift for your kids' bike for back to school gift, Christmas gift, Valentine's day gift, Mother's day or Father's day gift, thanksGiving gift or New year gifts; ? - Support PROs, we are sponser for several PRO teams in UT and CA, we support Business, just place bulk purchase and replace for your other family bikes, recommend to your community. We offer business price for bike bicycle shops, love to be your business partners and trusted vendors; ? - Match DIY's Value, find brakes, cassette, rotors or bleeding kits for your bikes, find pedals, single chainring in one place, even groupset to build your bike. We are best value on bicycle parts supplier to improve your performance and experience;