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GEARING AND BEARINGS
X-Ship is a combination of features that work together to create much greater efficiency. By positioning the pinion gear close to the centre line of the large diameter drive gear, more power is transferred from the handle to the rotor. The pinion gear is also supported by two Shimano A-RB roller bearings. This creates more stability.
Shimano Shielded A-RB bearings use a shield to prevent contamination. This protection reduces wear, improves efficiency and deliverers super smooth performance.
Shimano S A-RB bearings are high corrosion resistant A-RB ball bearings with an extra shield for improved protection against sand, salt or dust. S A-RB bearings are used in salt water reels.
MATERIALS
Hypergear
magnesium
The precision engineered main Hypergear transmits more power from the handle to the rotor. Designed to exacting tolerances, it requires less effort but returns more retrieve playing torque with vastly reduced component wear.
Shimano use magnesium for a select number of ultra high quality reels where weight saving is essential. The use of magnesium offers a weight saving of up to 10% compared with aluminium.
CI4+ is an advanced version of the original CI4. This highly technical material is 2.5 times stiffer than CI4 and is used on many high-end Shimano reels to increase weight savings. Use of CI4+ for the body and rotor also delivers remarkable stiffness for better reel efficiency.
aluminium
Dyna-Balance reduces wobble during the retrieve by counter balancing the rotor to enhance sensitivity and smoothness. By using computer balancing Shimano are able to redistribute the rotor weight to create eliminate vibrations.
Easy Maintenance is a small oil lubrication port that enables direct lubrication of the inner workings of a reel with approved Shimano lubricant. Some highend Shimano reels have a line roller lubrication option.
Shimano uses aluminium in many different forms to construct lightweight, ultra strong reel bodies and rotors for midpriced and high-end reels. Diecast aluminium is used for many types of reel and is most common on fixed spool reel bodies and rotors. It is also used for spools on P4 fixed spool reels and come baitcasting models. Cold Forged aluminium is used for some ‘round’ reels, fly reels and is also used for many types of spool. Made from one single piece of aluminium Cold Forging produces great strength. Machined aluminum is used for the very best multiplier reels where precision, strength and lightness are very important. Hybrid bodies are produced from a combination of aluminium and XT7.
CI4 is an exclusive material created by the inter-fusion of carbon and polyamide. It is almost as strong as metal with the lightness of a composite. CI4 is used for the body and rotor on many Shimano reels.
XGT-7 XGT-7 is an improved version of the tried and trusted Shimano XT-7 composite material. Used on some of the newest mid-priced reels XGT-7 is lightweight and stiff.
XT-7 XT-7 is the original Shimano composite reel material. Used on mid-priced and budget reels and spools XT-7 is reliable, robust and lightweight.