ACS Maindrive Headset EC34/28.6|EC34/30 Black ModelNumber=K8143 5+ 15 x 110mm SID

5+ 15 x 110mm SID (A1-A4) Reba (A1-A5) Reba A7 SID Select/Select+ 110-120mm (B4) Diffusion Black

25 ISO 559 Bead TBLS - Fold Tread/Sidewall Color Bk/Blk PSI 60 Weight (Grams) 705 TPI 60 Durometer Features EXO/TR Reflective Sidewall No

WTP top tube and down tube gusset

}Campagnolo EPS Cable Rubber Grommet: Each

10mm or 20mm lengths

ACS Maindrive Headset EC34/28.6|EC34/30 Black ModelNumber=K8143 5+ 15 x 110mm SIDMainDrive External Headsets utilize forged steel cups alloy tops and cap with sealed mechanism bearings. Color Black Bearing Type Cartridge Crown Race 30 Defined Color Black S. H. I. S Upper EC34 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless S. H. I. S Lower EC34 Size EC34 28. 6 EC34 30