you're effectively locking the bottom bracket into your frame instead of relying on a tolerance fit

BR-M8000 - XT

increasing shifting and reducing wear

The patented Big Bite™ Valve mouthpiece offers Hands-Free Hydration and is ideal for any high-performance situations

ROTOR IS NOT INCLUDED

ESI Extra Chunky Silicone Slip On Grips - Green - 130mm Long Envelope Shipping you're effectively locking the bottomThe Extra Chunky is the thickest grip in ESI's line up with an installed diameter of 34mm. They are also tip the scales at just 80g a set Made in the USA from silicone, they allow your hands to grip regardless of whether it is wet or dry. They hold onto the bars better than any other non lock on grip too. The ESI Extra Chunky's feature: UV Resistant so they won't fade Non Porous will not harden Adhesion stick onto the bar without glue or wire. They