Rails: The rails are INOX stainless steel that are suspended at the rear to provide some shock absorption qualities

Additional Protection: No additional protection

Durable water repellent finish

Retention System: There is a dial-type micro-adjust retention system with 3-point vertical positioning but TLD doesn't seem to have any fancy names for it

Those tires marked e50 are also certified for S-Pedelecs

Park SD-2 #2 Phillips Head Screwdriver Exclusive Rails: The rails are INOXThe Park SD 2 #2 Phillips Head Screwdriver is a shop quality screwdriver designed for comfort and durability. It features dual density grips and heat treated tips and shafts. The #2 has a 6. 35mm shaft, perfect for derailleur adjustment screws. It is the most common cross tip ("Phillips") required.