Serfas Swift Dual Lock-On Mountain Bicycle Grips - G-SFT Soft shock absorbing outer material that reduces hand fatigue Hard inner compound that adds durability and strength Our range of lock on grips feature a lightweight aluminum collar that will clamp onto your bars Dual lock-on clamp design perfect for Carbon or Alloy handlebars Comfortable and stylish grip pattern for MTB or Cruiser applications Dual density design for increased durability