Big bolts on steel beams. The steel beams have big bolts which was tightly secured so it wont come off and cause accidents. A set of rectangular metals.
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X-Fusion Manic Adjustable Seatpost 30.9 & 31.6, 125mm or 150mm
The X-Fusion Manic is hands down the best budget conscious adjustable seatpost on the market.
We’ve worked with this post with X-Fusion & BikeCo Pro Rider Brian Lopes in some of the toughest conditions around – and the Manic just keeps coming back for more.
One of the highlights of the Manic is the included remote lever. The X-Fusion Manic remote is comfortable as well as extremely adjustable. Additionally this adjust-ability allows excellent fitment and ergonomic consideration no matter your setup.
Setup is easy using the cable activated system.
Available at BikeCo.com:
https://bikeco.com/product/x-fusion-manic-adjustable-seatpost/