Chain Tensioner Shorty Double Strap Idler
Shorter chain tensioner with 2 straps for more chainstay grabbing power.
Z809 Bearing in white wheel held in with snap ring.
Metal Bracket is 3 3/4inches tall.
If you pound the straps to a slightly flatter shape the metal
straps will grab a smaller diameter chainstay tighter.
You may want replace the bolts with grade 8, 6mm bolts.