4 mm

Chainring Description: Brand: BUCKLOS Material: 7075-T6 Aluminum alloy,Titanium plating Size: 30T,32T,34T,36T,38T,40T,42T Compatibility: 8,9,10,11 speed chain Bolt Center Diameter: 104mm BCD Thickness: 4mm Shape: Round/Oval Color: Multicolor,Black,Red,Green,Blue,Purple,Gold Round Weight: about (38g)/32t,(50g)/34t,(57g)/36t,(70g)/38t(88g)/40T(102g)/42T Oval Weight: about (40g)/32t,(49g)/34t,(59g)/36t Fit for MTB Bike,XC/Off Road/AM bike modified single chainring Bolts description: Material: Aluminum alloy, Specification: 6.5mm Weight: 5.4g/pc,approx Color: Multicolor,Black,Red,Green,Blue,Purple,Gold Fit:Single Speed Chainring  Package： 1*Chainring/1*Chainring +4pcs Bolts Small Tips: 1.This chainring fit for 8/9/10/11 speed chain, fit JIANKUN(IXF) crank and Shimano M370/M410/M610/M670/M78104 BCD Chainring Round Oval 32t 34t 36t 38t 40t 42t 4-Bolt MTB Bike For ShimanoChainring Description: Brand: BUCKLOS Material: 7075-T6 Aluminum alloy,Titanium plating Size: 30T,32T,34T,36T,38T,40T,42T Compatibility: 8,9,10,11 speed chain Bolt Center Diameter: 104mm BCD Thickness: 4mm Shape: Round/Oval Color: Multicolor,Black,Red,Green,Blue,Purple,Gold Round Weight: about (38g)/32t,(50g)/34t,(57g)/36t,(70g)/38t(88g)/40T(102g)/42T Oval Weight: about (40g)/32t,(49g)/34t,(59g)/36t Fit for MTB Bike,XC/Off Road/AM bike modified single chainringBolts description:Material: Aluminum alloy,Specification: 6.5mmWeight: 5.4g/pc,approxColor: Multicolor,Black,Red,Green,Blue,Purple,GoldFit:Single Speed Chainring Package：1*Chainring/1*Chainring +4pcs Bolts Small Tips: 1.This chainring fit for 8/9/10/11 speed chain, fit JIANKUN(IXF) crank and Shimano M370/M410/M610/M670/M780 crank (not fit M7000/M8000/9000). Fit SRAM/FSA/Prowheel 104bcd crank.2.Please make sure your crank BCD specification is 104mm BCD before purchasing.3.Shipment according to your purchase options. 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 .