Profile Design Airstryke II Aluminum Aerobar Ergo Armrest L2 Flip-Up Bracket Matte BLK CheckoutSpec= 450 lbs Precision 3D-Net shaped forged shaft

Precision 3D-Net shaped forged shaft interconnects with a precision broached clamp to create a strong light and secure stem offering +/-55 degrees range of adjustment

}Wolf Tooth Single Speed Aluminum Cog: 20T Compatible with 3/32" Chains Blue

}Surly Single Cassette Cog 3/32" Splined 14t

Front Hub Bearings:  Two 71801 Angular Contact

8 Clamp +/-0 1 1/8" Aluminum Red

Profile Design Airstryke II Aluminum Aerobar Ergo Armrest L2 Flip-Up Bracket Matte BLK CheckoutSpec= 450 lbs Precision 3D-Net shaped forged shaftProfile Design Airstryke II Aluminum Aerobar: Ergo Armrest L2 Flip Up Bracket Matte Black. Airstryke II Aero BarArmrest Offset: 85mm to 17. 5mm in 7. 5mm steps Armrest Width: 131mm to 298mm in 18. 5mm steps Armrest Stack: 40mm TECH SPECS Color Black Defined Color Black Diameter 31. 8 Material Aluminum Weight 592