L-BOLT AND TENSION KNOB - PRE 2007 This replacement knob is specifically for any gray trainer manufactured prior to 2007 with a serial number smaller than 50000. This new tension knob features our newer design which is stronger, more durable and hassle-free. We suggest replacing the old... LEARN MORE »
$5.00
L-BOLT AND TENSION KNOB - GREEN TRAINERS This replacement knob is specifically for any trainer manufactured after 2007 and with a serial number of 50000 and larger. This new tension knob features our newer design which is stronger, more durable and hassle-free. We suggest replacing the old... LEARN MORE »
