Blackspire TWINTY 2X GUIDE

2 X 9/10 Chainguide

Lightweight molded thermoplastic components
German engineered in Canada
Designed to be the most efficient 2X chainguide ever produced. Made in as few pieces as possible and has no moving parts. Captive hardware.
Slider designed to last. Made from a proprietary polymer that doesn't wear out like similar guides. Vastly superior to elastomeric polymers.
No drag!

TWINTY 2X guide does not put resistance on the chain like pulley wheel chainguides and it is Super Silent