Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Black MFPN=TDSNVO Junior sizes generally track age

Junior sizes generally track age

model tubeless valve kit length 60mm color black valve Presta insert compatible no package pair

Length: 680mm

}SRAM Guide R Lever Blade Alum V2: Each

Finish Black Range 13-34T Chain Compatibility HG 7/8 Speed 8

Industry Nine iRiX ZS44/ZS56 Headset : ZS44/28.6 | ZS56/40 ZeroStack Complete Black MFPN=TDSNVO Junior sizes generally track ageTECH SPECS Primary Color Black Headset Position Complete Steerer Tube 1 1 8 1. 5 Upper Cup 44mm S. H. I. S. ZS44 28. 6 ZS56 40 Bearing Grade Stainless Steel Lower Cup 56mm Material Aluminum Headset Type ZeroStack SHIS Lower ZS56 40 Crown Race Diameter 40mm SHIS Upper ZS44 28. 6