Aluminium

Feature: * Fit for MTB Bike,XC/Off Road/AM bike modified single chainring. * fit 6/7/8/9/10/11/12 speed shimano sram chain,fit JIANKUN(IXF) crank and Shimano M370/M410/M610/M670/M780 crank (not fit M7000/M8000/9000). Fit SRAM/FSA/Prowheel 104/64bcd crank. * Better after-sales service,we will reply you within 24 hours! * Ship in 0-1 day and reach the delivery within 1-3 working days generally. Description: Brand: SNAIL Type: Single speed Color: Black,Red,Blue,Green,Gold,Purple Material: Aluminum alloy 7075-T6 Bolt Center Diameter: 104mm BCD Teeth: 30-52T (Round/Oval,optional) Thickness: 4mm (1.9mm Narrow, 3.7mm Wide) Compatible with: 7/8/9/10/11/speed chains (for Shimano/SRAM/FSA crank) Narrow Wide tooth profiling ensures ultimate chain retention with 1x chains. Narrow-wide tooth profilingMountain Bike 104BCD 30-42T Narrow Wide Bike Chainring Single Tooth Chain Ring Feature: * Fit for MTB Bike,XC/Off Road/AM bike modified single chainring. * fit 6/7/8/9/10/11/12 speed shimano sram chain,fit JIANKUN(IXF) crank and Shimano M370/M410/M610/M670/M780 crank (not fit M7000/M8000/9000). Fit SRAM/FSA/Prowheel 104/64bcd crank. * Better after-sales service,we will reply you within 24 hours! * Ship in 0-1 day and reach the delivery within 1-3 working days generally. Description: Brand: SNAIL Type: Single speed Color: Black,Red,Blue,Green,Gold,Purple Material: Aluminum alloy 7075-T6 Bolt Center Diameter: 104mm BCD Teeth: 30-52T (Round/Oval,optional) Thickness: 4mm (1.9mm Narrow, 3.7mm Wide) Compatible with: 7/8/9/10/11/speed chains (for Shimano/SRAM/FSA crank) Narrow Wide tooth profiling ensures ultimate chain retention with 1x chains. Narrow-wide tooth profiling prevents chain drop without a chainguide √Process: Full CNC CNC engraving and milling, anodic oxidation, full of the laser marking √Function: Minimize the probability of chain, simplifying the variable speed system, minus the excess weight PaymentDelivery detailsTerms of salesAbout usContact usPaymentPayment methods accepted: PayPal only.Delivery detailsWe'll ship out the item for you in 1 business day after receiving payment. We do not responsible for any custom duty or import tax.Terms of salesNote:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of our monitor and light brightness.About usGood feedback is very important to us ,we are honest seller, We do work extremely hard to maintain a great feedback rating.Contact usWelcome to my ebay store , we very glad to service for you , and have a satisfying business. Please feel free to contact us , you can click "Ask seller a question" at the top and right . we will reply question within 24 hours .