warm remind:<br />this product would be deliveried to california ，while to other countrieschinese .<br /><br />package included: <br />2 x 15mm chain tensioner adjusters<br /><br />fitment: <br />fits classic wheels &amp; various other styles used on chinese import bikes with 15mm spindles / axles.<br /><br />specification:<br />hole inner diameter: 15mm <br />fit axle size: 15mm  <br />screw fixing size: 45mm x 6mm lxd<br />color: silver<br />quantity: pair<br />material: alloy<br />pit bike pre drilled chain tensioners / adjusters for 15mm axles / to change the hole size just drill out for 15mm or larger.