Added more bicycle extras.
Adapted with Vehfuncs' paintjob function.
Secondary colors (carcols) added.
Adapted with Vehfuncs' f_brake function.
Replaced some SCB bicycle meshes with improved/better meshes (aka less blocky/messy).
New bicycle details.
Retweaked some bicycle materials.
Adapted with SkyGFX and RenderHook (Sormed's PS2 Atmosphere RH preset recommended).
Added default GTA SA Dirt (vehiclegrunge256) to bicycles - adapted with Vehfuncs' dirt system (ECG recommended for high quality dirt texture).
Removed the need of ISDC's bmx/bike wheels, and also removed the need of Rikintosh's textures.