Genuine TREK Bontrager. The rear fender mounting bracket has been reinforced with a stainless steel plate to prevent breakage. The original metal fittings are not broken. This part is fixed to the screw holes of the seat stay bridge. If the fender is difficult to insert due to the reinforcing plate when fitting it to the resin fender, you can easily insert it by slightly shaving the width of the fender with a file. - Color: Black - Material: Metal and plastic - Type: Mounting bracket Thank you for viewing.