Introducing our Square Nut Replacement Piece for your horizontal seat adjuster, compatible with Peloton. Engineered with hyper precision tolerances ensuring a perfect fit on your bike. Made from 1215 carbon steel, Great for those who have lost this piece, or have broken / rusted out the old one. Easy install, just thread it on using your existing L handle, and crank it down in position so it seats in the grooves already on the seat post clamp, and you are locked and loaded. If you are having trouble removing the old one, thread the handle in from the opposite side half an inch and wiggle it out.