Home » COMPONENTS » Mountain Bike Components » MTB Drivetrain » Drivetrain Small Parts » Third Eye Third Eye Chain Watcher Click Image To Enlarge Third Eye Third Eye Chain Watcher Our Price: $8.99 Buy Now Wishlist Rate This Product Description Easily attaches to the seat tube (1 1/8 to 1 3/8) and keep your chain from falling off the front chainwheel. Ideal for cyclocross applications or bumpy terrain. You May Also Like Lizard Skins Chainstay Protector $7.99 Sram 34.9 Braze on Adapter $42.99 N-Gear Jump Stop Chain Guide Watch $10.99 Customer Reviews Be the first one to review this product!