YELARXI Bicycle Seat Post Adapter Shim, 27.2 to 30.4 mm & Alloy & Black & 1 Pack Bike Seat Tube Seat Post-Fitting for (Outdoor/Mountain/Road/City Bike/Electric Bicycle)

• Reliable Material: Crafted from high-strength aluminum alloy, this seat post shim adapter ensures a rigid and secure connection between your frame and seat tube. It is more durable and reliable than plastic alternatives, providing superior resistance to compression and deformation for long-lasting performance and enhanced riding safety.
• Relevant Usage: This bicycle seat post is the perfect solution for installing a 27.2 mm diameter seat post into a bicycle frame designed for a 30.4 mm seat post. The seat post is suitable for upgrading, repairing, or customizing various bikes, including mountain bikes and road bikes, allowing you to use your preferred seat post without changing the frame.
• Easy-to-Use: Installation is a quick and simple process. Just insert the seat post shim adapter into your bike's 30.4 mm seat tube, then slide your 27.2 mm seat post into the shim. Finally, tighten the existing seat clamp bolt normally. The bicycle seat post is even to create a firm, wobble-free fit, requiring no special tools or technical skills.
• Size: This bicycle seat post performs a precise 27.2mm to 30.4mm conversion. The adapter itself features a 1.5mm wall thickness, a total length of 60mm for enhanced stability, and a 3mm wide compression slot. It is designed with a maximum outer diameter of 32.5mm at its top flange to ensure a secure and perfectly seated fit within your bicycle frame.
• Key Notices: Please accurately measure both your seat post and frame tube before purchasing to ensure a perfect match. For your safety, always use a torque wrench and do not exceed your frame manufacturer's recommended torque specification when tightening. Over-tightening can damage the frame or shim.

Reliable Material: Crafted from high-strength aluminum alloy, this seat post shim adapter ensures a rigid and secure connection between your frame and seat tube. It is more durable and reliable than plastic alternatives, providing superior resistance to compression and deformation for long-lasting performance and enhanced riding safety. Relevant Usage: This bicycle seat post is the perfect solution for installing a 27.2 mm diameter seat post into a bicycle frame designed for a 30.4 mm seat post. The seat post is suitable for upgrading, repairing, or customizing various bikes, including mountain bikes and road bikes, allowing you to use your preferred seat post without changing the frame. Easy-to-Use: Installation is a quick and simple process. Just insert the seat post shim adapter into your bike's 30.4 mm seat tube, then slide your 27.2 mm seat post into the shim. Finally, tighten the existing seat clamp bolt normally. The bicycle seat post is even to create a firm, wobble-free fit, requiring no special tools or technical skills. Size: This bicycle seat post performs a precise 27.2mm to 30.4mm conversion. The adapter itself features a 1.5mm wall thickness, a total length of 60mm for enhanced stability, and a 3mm wide compression slot. It is designed with a maximum outer diameter of 32.5mm at its top flange to ensure a secure and perfectly seated fit within your bicycle frame. Key Notices: Please accurately measure both your seat post and frame tube before purchasing to ensure a perfect match. For your safety, always use a torque wrench and do not exceed your frame manufacturer's recommended torque specification when tightening. Over-tightening can damage the frame or shim.