Clear plastic spoke protector, stops your chain riding off the top cog on your cassette and damaging your spokes.
If you've ever shredded an expensive wheel when your chain fell into your spokes, or been thrown off your bike with a locked up back wheel then you know how important these are, that's why nearly all leisure bikes come with them ready fitted.
SRAM Disc brake mount adaptors for various mount options and disc rotor sizes.
Through hole brake bolt for frame mounting of front or rear brake calipers.
A replacement crown race for various headsets
Shimano braze on front mechs are designed to benefit from additional support that comes from the rotation alignment screw used to set chainring/mech alignment on some frames.
Shimano Brake Pivot nut designed specifically for the Dura-Ace 7800 and Ultegra 6800 brakes.
