lowie: the x-brace kit is a upgrade kit for the x10 which gives you the new x11 rockers, gearbox top, alum. x-brace, bearings and all the hardware.
description:
X11 X-BRACE UPGRADE PACK INCLUDES: XC010 = Front Cross Member XS008 = Rocker Crank Left XS009 = Rocker Crank Right XS018 = Front Cross Member Pin XB004 = 4x8x3 Flanged Bearings XC008 = Front Gear Box Top 1 - A beautiful and very strong aluminium cross brace, machined from a single piece of high grade aircraft aluminium, accurately locates the suspension rocker crank pivots, suspension pins, and ball raced steering assembly 2 - The reduced gear cover is now only required to protect the gearbox internals and is carbon fibre filled to reduce weight and lower centre of gravity
also there is the x11 steering upgrade pack:
description:
X11 STEERING UPGRADE PACK INCLUDES: XC016 = Ballraced Steering Link XC015 = Steering Arm Right XC014 = Steering Arm Left XB005 = 3x6x2 Flanged Bearings XS023 = Ball Joint, Long XH024 = M2.5 x 6 CSK XS024 = Threaded Ball XC018 = Steering Post Link Fully ball raced steering. The ultra strong steering link is ball raced and connected to new aluminium steering arms via stainless steel posts. A MUST HAVE FOR ANY SERIOUS
hope this helps you ! the descriptions are striaght from team xtremes website.