Chimera Adjustable Stretch Blocks for Honda Grom 125 (all years)!
This stretch/extension kit will allow you to easily stretch your Honda Grom 125! Bolt-in kit! Easy to install! Simply slide it into the end of the OEM swing arm and bolt it to your desire length!
Chimera Engineering designed a smart chain tension adjuster, it'll stay in place when the axle is removed, so you don't have to fiddle around with the adjusters. Stock adjusters will move out of place when you're tightening the axle and nut, the Chimera stretch blocks will stay in place while the axle is being tighten, making it easy to adjust and install! 
Stretch length could be adjusted from 4" to 6.5" (+/- 1/2" depending on chain tension).

Available in Raw (Silver) and Black (hard anodized for extended finish life).
Fully machined from T-6061 aluminum! Features built in caliper bracket stopper and stainless steel hardwares! Made in USA!
NOTE: Longer chain will be needed! 134L