Check the listing for details. MOJO Fixed Gear Chainring 48T - 110 BCD Track Fixie single speed 1/8" - BLACK. Color: Black, Condition: New. Listed at 22.99 USD. * High quality Alloy Chainring 48Tooth* 110mm BCD* CNC Machined, not stamped* 1/8" (3.18mm +/- .15mm) Nominal width* For use with 1/8" chains only* Manufactured to JIS standards.* COLOR: Black, smooth shiny finish GET THE RIGHT CHAINRING * What is your BCD? - Most cranks come in 3 common BCD (bolt circle diameter) sizes: 110mm, 130mm, and 144mm. MEASURE FIRST BEFORE YOU BUY!* 1/8" CHAINS ONLY - Will NOT work with multi-gear derailleur systems. For single-speed use with 1/8" chains. CHECK FIRST BEFORE YOU BUYWe will exchange a chainring for the correct size, if available, provided the item is still new and has not been used or mounted. Buyer pays exchange shipping. USA SELLER - DELIVERED IN DAYS, NOT WEEKS!Shipping: USPS 1st. Class $4.00 / $2.00 (All 50 states, territories, Puerto Rico, APO FPO, Palau) Returns are on a case-by-case basis. We accept returns for 2 reasons: Defective item, or sent the wrong item. We do NOT accept cancellations because sellers are charged for them. Purchase wisely. Ask us questions if you are unsure, we love to help.