UA4 chain adjuster grub screw

UA4 chain adjuster grub screw

£1.80

these screws help you get a nice chain tension by moving the dropout back, they can get rounded off and cause you a whole load of grief. adjust with an M3 Allen key as per the original..(don’t use the ball end…that’s what causes the rounding off.)

straight replacement, quality stainless steel..

for a fresh set buy two grub screws..sold individually.

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