RS4 - Road Hub - Rear - Center Lock End Caps/Conversions:142/12mm RX4-SR - Designed to work

RX4-SR - Designed to work solely with Sram dropbar brake systems (Dot Fluid)

5" version is not available TCS tubeless

5" Comp Tube-Type 775g DNA 29" TCS Light/Fast Rolling 685g Dual DNA 29" Race Tube-Type 575g DNA 29" Comp Tube-Type 704g DNA

Dura Ace R9120                                                                Record

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RS4 - Road Hub - Rear - Center Lock End Caps/Conversions:142/12mm RX4-SR - Designed to workThe most versatile and serviceable hubs on the planet are now available with centre lock Key Features Specifically designed for road use Reduced drag ratchet mechanism 44 point engagement (8 deg) Stainless Steel Bearings Centre lock disc spline Available in 135mm & 142mm widths Weight for 32 hole 142mm version 272 grams Aluminium Freehub Shimano, Campag and XD freehub body options 9 10 11 speed and Campag compatible 2 pawl ratchet Available in 24, 28