Ritchey WCS Carbon Rizer Handlebar - Carbon 710mm 30mm Rise 31.8mm 9 Deg UD Carbon CheckoutSpec= 16-notch They have both an o-ring

They have both an o-ring and a threaded washer to keep the rim scratch-free and to keep the washer tight

Double or Triple Triple Rear Der/Shifter Compatibility Shimano Mountain Drivetrain Speeds 7 Front Der/Shifter Compatibility Shimano Mountain Shifter Style Trigger

2 Material Aluminum Defined Color Black Clamp Style Standard Rails Offset (mm) 20

5mm tall) includes 6 extra grip pins

Ritchey WCS Carbon Rizer Handlebar - Carbon 710mm 30mm Rise 31.8mm 9 Deg UD Carbon CheckoutSpec= 16-notch They have both an o-ringRitchey WCS Carbon Rizer Handlebar: 31. 8 710mm+ 30mm 6D Bend 9D Sweep Black. Ritchey WCS Carbon Mountain Handlebars freature a textured stem clamp area to reduce the risk of bar slippage. The carbon lay up is tuned to provide torsional strength and vibration damping. Reinforced internally to accept bar ends and shifter lever clamp Intended for XC use TECH SPECS Bar Clamp Diameter (mm) 31. 8 Color Black Rise 30 Weight 180 Material Carbon Width 710