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Transform Der Part Kogel Pulley Kolossos W/inner Cage Os 12/19t Rx800 Bk With A 55% Price Cut [jX0oPnCx]

$67.99 $217.99 -69%

Built to offer extremely low friction paired with increased stiffness for loss free shiftingLong tooth profile on lower pulley offers best possible chain retentionLower pulley assembly features a chain catcher to prevent jamsCan be used dependably on

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Transform Der Part Kogel Pulley Kolossos W/inner Cage Os 12/19t Rx800 Bk With A 55% Price Cut [jX0oPnCx]

Built to offer extremely low friction paired with increased stiffness for loss free shifting

Long tooth profile on lower pulley offers best possible chain retention

Lower pulley assembly features a chain catcher to prevent jams

Can be used dependably on or off road

Fits SS (short) cage and GS (mid) cage right out of the box

Oversized 12 and 19 tooth Kogel pulleys

Compatible with Shimano only

What Our Customers Say

January 22, 2026

Absolutely no complaints!

2_96. A great gadget that is very great.

- Zadok S..

January 22, 2026

Absolutely no complaints!

It’s a very useful and handy tool.

- Glynis Y..

January 22, 2026

Absolutely no complaints!

It’s a very clever and useful gadget.

- Elffin R..

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