Thumb holes are great for keeping the base layer in place when putting on your other layers

Technical details:

• Transparent sidewalls

The ‘page’ also contains a slot for a credit card

enve ses ar in route one piece handlebar Helmets Thumb holes are great forThe SES AR One Piece handlebar, made in Ogden, Utah at ENVE HQ, features compound flared drops, ergonomic shaping, aero profile, and IN Route System hidden routing compatibility. It works with ENVE's frame models and some custom built frames with the IN Route System. Limited quantities available due to handmade nature. Now available for the first time on the aftermarket. Product Details SES AR One Piece Handlebar Hardware Kit Shimano Junction Box