"This adapter kit is designed to install FastTT Aero Bars to any base bar with a standard 31.8mm round centre section. The base bar brackets allow substantial aero bar angle adjustment.

Kit includes the following:

2 x 31.8 base bar brackets in CNC anodised aluminium

Aero bar mounting plate with integrated BTA mount

2 x 10mm spacers, Mounting bolts, Aero bars NOT included

Requires a MINIMUM round bar section of 40mm PLUS width of stem to fit correctly.

If the round bar section is LESS THAN 31.8mm diameter, this kit will NOT fit. Please measure carefully with a vernier as we cannot accept returns due to an incorrect diameter." - Fast TT