●Separate sold special driven sprocket is required for installation.(Standard sprocket cannot be used.)）●Wheel replacement, including inching down, changes the steering stability and braking characteristics.Be very careful until your body becomes accustomed to the changes.●Parts may be required separately, depending on the motorcycle model.Active Digital Monitor is recommended for meter adjustment.●Order the glass coating specification by adding "Q" at the end of the part number.(Polished wheel is outside the scope of work.)●ZEPHYR1100RS はThe front wheel size changes to 17 inch.The motorcycle height goes down.(Because it is within -40 mm.)Speed meter adjustment is required as a result of changing the wheel diameter.Because it is an inspection item for passing the vehicle inspection, be sure to perform.(Reference: Can be adjusted with ZRX400 genuine speed meter gear 41078-1069)●ZEPHYR750/ZEPHYR750RS のA 180-sized tyre for ZEPHYR750/ZEPHYR750RS may touch the drive chain.(Good with Metzeler Sportec M1.)Adjust or replace the drive chain, because it may touch the wheel when elongated.Main stand cannot be used for touching the tyre.●ZEPHYR1100RS はGenuine rear brake disc bolt is required separately.。●ZEPHYR1100RS のBecause 600-sized rear wheel is only for race use or heavy custom builders, we can not accept any claims regarding its use.Also, modifying of the motorcycle body is required for installation.A 190-sized tyre touches the drive chain case, chain and the billet aluminum rear brake caliper mounting bracket.●ZEPHYR1100RS はOn motorcycles with disc plate gasket between the genuine brake disc and the wheel, on either the front or rear wheel, remove the disc plate gasket and install the wheel without using it.