Profile Designs T1+ Carbon Bicycle Aerobar Extensions - Black Material: carbon Diameter: 26.0 mm, 31.8 mm Reach: [max aft] -75 mm, [max fore] 10 mm Width: 165 - 320 mm Extension Length: [T1+] 220 mm - 320 mm, [T2+, T3+] 200 mm - 300 mm, [T4+, T5+] 150 mm - 305 mm