The 34mm diameter adds 2mm over the Chunky model, which changes how your hand wraps around the bar. Extra Chunky from ESI opens up your grip so your fingers and thumb don't overlap as much, reducing cramping on longer rides. That larger diameter also puts more silicone between your palm and the handlebar, which increases vibration absorption. If you have large hands or prefer maximum cushioning, the extra thickness distributes pressure across more surface area.

The silicone foam construction eliminates the need for lock-on clamps. You install these grips by sliding them onto your bars using rubbing alcohol as lubricant, and they stay put through friction once the alcohol evaporates. The slip-on design saves weight compared to grips with aluminum clamps and allows you to position the grip exactly where you want it without worrying about clamp placement.

The material maintains tackiness in wet conditions without feeling sticky when your hands are dry. The silicone gradually conforms to your hand shape and grip position over time, creating a custom fit. You can clean silicone grips with rubbing alcohol or acetone when they get grimy, which would break down rubber compound grips. The material resists UV damage and temperature extremes without hardening or cracking.... Read More