Profile Design Conversion Quills Bicycle StemsProfile Design Conversion Quills Bicycle Stems Profile Design's Threadless Converter allows you to use modern 1 1 8 threadless stems on bicycles with threaded forks that take quill stems (stems with single bolts in the center). Now you have the benefit of being able to use modern stems and handlebars to dial in your fit and comfort. This Quill Adapter is made of light and durable aluminum body wedge and features a chromoly bolt.

22 vents with internal air channeling

and flexible storage option to keep your riding essentials protected from the elements

51mm (29") Color Options Diffusion Black

✅Key Features and Rider Benefits

- Rap II - 18 multi tool

this premium leather motorcycle jacket brings track-inspired technology to every ride

dependable solution that enhances both form and function

and the streamlined silhouette offers a clean

Torque bolts only to 4-5 Nm and use blue Loctite threadlocker

This compact kit is your secret weapon against flats

Adjustable sternum strap for added comfort

for ambiance