Origin8 Pro Fit Threadless EC34/28.6|EC34/30 Headset Model=Duet Bell Type Standard Size 700x25 ISO

Type Standard Size 700x25 ISO 622 Bead Fold Tread/Sidewall Color Bk/Blk PSI 110 Weight (Grams) 218 TPI 60 Durometer 70a/60a Features L3R/ICAP/REF Reflective Sidewall Yes

Slick center design for low rolling resistance and consistent wear as well as filed-pattern edges to maximize cornering ability

Wheel straps are provided for front and rear wheel for extra peace of mind

S Lower ZS56 Color Silver Crown Race 40 Bearing Type Cartridge Defined Color Silver Stack Height 12 Upper Spec ZS44/28

Heat-treated steel tools with dark nickel plated finish

Origin8 Pro Fit Threadless EC34/28.6|EC34/30 Headset Model=Duet Bell Type Standard Size 700x25 ISOAL6061 T6 alloy cups. Sealed cartridge bearings. Weights include top cap and star nut TECH SPECS SHIS EC34 28. 6 EC34 30 Color Black Weight 140g Steered OD 28. 6 Cup (mm) 34 Race (mm) 30 Stack Height 29 Bearing Angle Size 1 1 8`