Get your mountain or road bike built up with the bottom bracket cups.<br style="line-height: 20.8px;" /><br style="line-height: 20.8px;" />Features:<br style="line-height: 20.8px;" />Durable: Aluminum alloy construction and CNC machined technology mean exceptional durability.<br style="line-height: 20.8px;" />Lightweight and fashionable: The cup body is made of acrylic material? transparent? clear and fashionable.<br style="line-height: 20.8px;" />Compatibility: Suitable for SHIMANO? for SRAM? fit for mountain bike? road bike and BMX bike? etc.<br style="line-height: 20.8px;" />One size fits 68-73mm shell width.<br style="line-height: 20.8px;" />Provide smooth? quiet? efficient riding.<br style="line-height: 20.8px;" /><br style="line-height: 20.8px;" /><strong style="line-height: 20.8px;">Specifications:<br style="line-height: 20.8px;" />Material: Aluminum alloy + Acrylic<br style="line-height: 20.8px;" />Surface Treatment: Anodized<br style="line-height: 20.8px;" />Thread: BC1.37 * 24T<br style="line-height: 20.8px;" />Compatibility: For SHIMANO? for SRAM<br style="line-height: 20.8px;" />Color: Red / Black (Optional)<br style="line-height: 20.8px;" />Item Size: 93 * 44mm / 3.7 * 1.7in<br style="line-height: 20.8px;" />Item Weight: 103g / 3.6oz<br style="line-height: 20.8px;" />Package Size: 114 * 44 * 44mm / 3.5 * 1.7 * 1.7in<br style="line-height: 20.8px;" />Package Weight: 117.7g / 4.2oz<br style="line-height: 20.8px;" /><br style="line-height: 20.8px;" /><strong style="line-height: 20.8px;">Package List:<br style="line-height: 20.8px;" />1 * Bottom Bracket<br style="line-height: 20.8px;" />2 * O-ring Spacer<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-2Cut.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-fb5b.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-b8ar.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-uSyB.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-Zzft.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-XUIW.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-GCr7.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-0YRH.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-aedS.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-lWAJ.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/B/Y3215B/Y3215B-1-19b3-OjZJ.jpg" /><br>