ProTaper ATAC Stem - 50mm 31.8mm Clamp +/-5 1 1/8" Aluminum Black/White MFPN=00.4020.559.000 Adjustable cycling-specific fit: Pre-shaped knees

Adjustable cycling-specific fit: Pre-shaped knees and hip allow for comfortable use in any cycling position while adjustable calf tapering avoids fabric getting caught in your drivetrain

The bit holder can be magnetically attached to any magnetic surface such as a repair stand or tool box or can be permanently mounted to any wall or tool board

Color Black Wheel Size 29" Wheel Size 700c Wheel Size 27

Pump Length 514-580mm Valve Presta Schrader Dunlop Primary Color Black Pump Head Dual Valve Head

ProTaper ATAC Stem - 50mm 31.8mm Clamp +/-5 1 1/8" Aluminum Black/White MFPN=00.4020.559.000 Adjustable cycling-specific fit: Pre-shaped kneesProTaper ATAC Stem 50mm 31. 8mm clamp Black White. The ATAC is back. One of the oldest names in the high end stem game has returned. And this time its all blinged out with titanium hardware and a fresh laser etched finish. Aluminum construction with Titanium Hardware Rise: + 5 degrees Clamp Diameter: 31. 8mm TECH SPECS Bar Clamp Diameter (mm) 31. 8 Color Black White Defined Color Black Length 50 Material Aluminum S. H. I. S. Stem Clamp Diameter 28. 6