<p><span style="font-size:20px">Title: Bicycle seat tube variable diameter sleeve</span></p><p><span style="font-size:20px">Material: Aluminum alloy</span></p><div><span style="font-size:20px">Process: CNC processing, surface color anodizing</span></div><div><span style="font-size:20px">Specifications: 25.4 Turn 27.2, 28.6, 31.6</span></div><div><span style="font-size:20px">27.2 Turn 28.6, 30.0, 30.4, 30.8, 31.6, 33.9</span></div><div><span style="font-size:20px">28.6 Turn 31.8</span></div><div><span style="font-size:20px">31.8 Turn 34.9</span></div><div><span style="font-size:20px">33.9 Turn 36(Silver)</span></div><div><span style="font-size:20px">Length: 60MM</span></div><div><span style="font-size:20px">Weight: 25.4 to 27.2 (10g) 28.6 (19g) 31.6 (42g)</span></div><div><span style="font-size:20px">27.2 to 28.6 (8g) 30.0 (18g) 30.4 (21g) 30.8 (25g) 31.6 (32g) 33.9 (50g)</span></div><div><span style="font-size:20px">28.6 to 31.8 (23g)</span></div><div><span style="font-size:20px">31.8 to 34.9 (25g)</span></div><div><span style="font-size:20px">33.9 to 36 (Silver) (20g)</span></div><div><span style="font-size:20px">Usage: Simply speaking, it can make large caliber seat tube and small caliber seat rod matching use.</span></div><div><span style="font-size:24px">27.2 to 30.8 parameter description:</span></div><div><span style="font-size:20px">The inner diameter of the variable sleeve is 27.2, corresponding to the outer diameter of the seat rod.</span></div><div><span style="font-size:20px">The outer diameter of the variable sleeve is 30.8, corresponding to the inner diameter of the seat tube</span></div><div></div><p><br/></p>