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REAL WORLD CYCLING®
56mm LOWER "INTERNAL/ZERO STACK" HEADSET
CUP ASSEMBLY



$59.00
 
w/BLACK CUP
w/RED CUP
w/BLUE CUP
w/GREEN CUP

--PRECISION MACHINED 56MM INTERNAL BEARING CUP
--STAINLESS STEEL ANGULAR CONTACT BEARING BY ENDURO®
--TOOL-FREE SPLIT ALUMINUM CROWN RACE




 
Designed for "Tapered" Head Tubes (can also be used on "straight" 1.5-inch head tubes).  Works with forks that have "tapered" steer tubes or forks with "straight" 1.5-inch steer tubes.  If in doubt, measure the Inside Diameter at the bottom of your frame's head tube.  It must measure +/- 56mm in order for this cup to fit.  This internal headset cup is also known as "zero stack." 
 
The  heart of this assembly is the ENDURO ANGULAR CONTACT 440C STAINLESS STEEL bearing.  The angular contact design is perfect for the loads that headsets experience.  The 440C material has superior corrosion resistance.  If you are tired of crunchy, corroded bearings, this is what you need.  Unlike some other headsets out there, this bearing can be removed from the cup and replaced. 
 
 
Includes a "split" crown race for easy installation and removal (no tools required!).
 
The anodized bearing cup has been machined with a special taper that makes it very easy to start straight (and KEEP straight) during the installation.  We were personally fed up with cups cocking sidewise during installation so we designed a better cup!
 
 
for FRAMES WITH 56mm I.D. AT THE BOTTOM OF THE HEAD TUBE
 
INCLUDES EASY TO INSTALL SPLIT CROWN RACE
 
440C STAINLESS ANGULAR CONTACT ENDURO BEARING
 
FORKS w/ TAPERED (1.5" x 1-1/8") STEER TUBES
and
FORKS w/ STRAIGHT 1.5-INCH STEER TUBES




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