HU400LC-A7N

3/8”

SB7

QR3757B7

89502

7

HU411SC-A7N

3/8”

SX7

QR3757X7

081008

7

HU411SC-J8N

.325”

SX7

QR3257X7

081008

8

ST301LC-B7N

.404”

SB7

QR4047B7

151817

7

ST320LC-A7N

3/8”

SB7

QR3757B7

101612

7

ST321LC-B7N

.404”

SB7

QR4047B7

121713

7

ST323LC-A8N

3/8”

SB7

QR3758B7

141815

8

Features:

QIRUI center drive sprocket system is introduced after intensive research and testing. This center drive replaceable rim type sprocket is the ultimate in design and strength. The system gives professional smoother performance，faster cutting and economical use. Sprockets are fitted with the first drum and spline system manufactured from 100% steel for superior durability and complete with an investment cast rim. The center drive system allows the user to change the rim sprockets when they become worn and also the chain pitch without having to change the entire system.