The OT-SP41 armour is pre-coated with silicone grease along its entire length, ensuring fast and precise gear changes. OT-SP41 reduces line friction, resulting in quick response and easy, effortless gear changes. The armour is available in a wide range of colours allowing you to personalise your equipment.

Technology to make cycling more efficient. The optical gear display shows the gear position currently selected while riding. The rider can see how many lower or higher gear ratios can still be selected, making gear changes more manageable.

Shimano brand technology, which consists of coating the brake cable with a uniform, thin electroplated layer. This significantly improves the cable's handling efficiency and increases its resistance to corrosion.

The Rapidfire Plus technology is an improved version of Shimano's Rapidfire grips. With this type of lever, the gear ratio is changed by pulling with the index finger or pressing with the thumb, which is very convenient.

Used on bicycles, the lever responsible for downshifting gears, allowing easy operation with the index finger.

The INSTANT RELEASE system enables the fastest ratio change by releasing the cable as soon as the lever is pressed.