E Thirteen Direct Mount Guidering

For use with the new TRS, TRS+, TRSr cranksets,our Integrated (direct mount) Guiderings allow for flawless single speed or chainguide setup.

They are exceptionally light and durable./p>

EXAlite Aluminum - A basic shake and bake blend of 8 special herbs and spices (Silicon, Iron, Copper, Manganese, Magnesium, Chromium, Zinc, and Aluminum.) It comes in three different performance blends: EXAr, EXA+ and basic EXA.

Primary Uses:

• Perfectly stepped for any chainguide setup
• Super strong, long lasting 4mm Exalite+ construction
• Sizes: Direct mount to TRS,TRS+,TRSr canksets
• Compatibility: 8,9,10 spd
• Weight Range: 30 - 61 Grams