DMR STS Chain Tensioner Stainless Steel Silver MFPN=00.5018.105.001 }Park Tool PH-T20 Star-Shaped Torx

}Park Tool PH-T20 Star-Shaped Torx Wrench

}Surly Big Dummy Rails: Pair

Includes QR adaptor washer

}Wheels Manufacturing 5

Tip Size T20

DMR STS Chain Tensioner Stainless Steel Silver MFPN=00.5018.105.001 }Park Tool PH-T20 Star-Shaped TorxDMR STS Chain Tensioner Stainless Steel Silver. Converts geared bikes to single speed and bolts into most vertical dropouts in minutes. Designed for harder riding styles such as dirt jumping street park etc. Stainless steel body provides strength and stiffness Works in conjunction with frame's derailleur hanger and hub axle Adjustable pitch PU pulley uses sealed bearings Designed to be used with geared chains Do not use with a coaster brake or fixed