TEKMO Supermoto Swingarm 
Why upgrade to this swingarm: 
The swingarm can be adjusted to be 20mm shorter than stock. 
Stiffer than stock
You will be able to fit 5"-5.5" width rims without any issue
The design will make the bike look really awesome 
 
Fitment:2015 to 2017 Yamaha YZF/WR 250-450 
Material: 7050 aircraft grade aluminium 3pcs construction. Comes with front chain slider and chain guide mount. Exclude: Bearings and extra length Titainium chain adjuster bolts.
 
Weight: 4.3kg 
** Each swingarm will require 5 Days before shipping as it will need to go thru fitment process, QC and anodised to your color preference. **