Not only for chains either

If you are experiencing shifting issues there is a chance that your derailleur hanger might need to be aligned

Corrective optical lenses will fit this frame

Reinforced Ends for durability

Although it uses a similar looking connector

TLD D3 Fiberlite Helmet - L - Slant Red eBay Not only for chains eitherThe Troy Lee Designs D3 Fiberlite Helmet is a more budget friendly fiberglass option compared to the carbon version. But don't let the price point fool you, this helmet takes a lot of the features and technology from it's more expensive sibling. Keeping your head nice and cool is taken care of with 20 intake ports and 6 vents. The padded liner is removable so keeping this helmet fresh will be easy as and TLD have fitted some specially sized contoured