Handgrip rest Shimano Ultegra ST-R8170 12v Di2 - Y0NS98010

The hand rest Shimano Ultegra ST-R8170 Di2 12-speed, reference Y0NS98010, are genuine replacement parts Shimano specifically designed for brake and gear levers Ultegra Di2 ST-R8170.

These casserole lids Shimano These allow you to replace the original handpads when they are worn, damaged or simply when you want to give your handlebars a fresh new look. Their ergonomic, non-slip surface ensures a comfortable grip and good control of the levers, particularly during long road cycling rides.

The kit includes a pair of armrests, left and right, to fit the two levers Shimano Ultegra ST-R8170.

Genuine hand rest Shimano Ultegra Di2

The Y0NS98010 is a spare part Shimano original, designed for controllers ST-R8170. This is the lever cover that fits over the outer part of the Dual Control lever and ensures contact between the cyclist’s hand and the control.

Replacing the palm rests allows you to restore the original feel and grip without having to replace the entire controllers.

Compatibility Shimano Ultegra ST-R8170

These wrist rests are designed for levers Shimano Ultegra Di2 ST-R8170 2x12-speed.

They are therefore suitable for levers:

• Shimano Ultegra ST-R8170 (left)

• Shimano Ultegra ST-R8170 (right-hand)

• Shimano Ultegra Di2 12-speed

• ST-R8170 Hydraulic disc brake levers

The reference Y0NS98010 This is the correct set of pot lids for the ST-R8170. It should not be confused with the part numbers for hand rests designed for other generations of levers Shimano.

A comfortable, non-slip grip

The hand rest Shimano Ultegra ST-R8170 play an important role in cockpit comfort. Their surface feels pleasant to the touch whilst providing a good grip on the lever.

The non-slip grip helps to ensure a secure grip, particularly when your hands are damp or during rides that involve frequent use of the levers.

Replacing worn thumbsticks therefore restores a grip sensation that is closer to that of a new controller.

Why replace the palm rests on your controllers ?

Over time and with mileage, the rubber seals on the bonnet latches may lose their original appearance, become shiny, wear out or develop tears.

This wear and tear is particularly noticeable in the areas most frequently touched by the hands.

Replacing just the palm rests therefore allows you to refurbish the levers Shimano Ultegra ST-R8170 without replacing the entire braking and gear-change system.

This is a cost-effective and practical solution when the handles are in perfect working order but the pot lids are worn out.

Expert advice: When fitting, take your time to position the rubber correctly around the lever. The material is designed to stay securely in place once fitted, but fitting it requires precision. Avoid using sharp or pointed tools that could damage the new hand rest.

Fitting the hand rests Shimano ST-R8170

Replacing the pot lids does not require the hydraulic system to be replaced or bled, provided the procedure is carried out correctly.

Carefully remove the old hand rest, then fit the new rubber pad onto the lever, ensuring that all the designated areas are correctly engaged.

Fitting it may take a bit of patience, as the rubber needs to be stretched properly and positioned around the body of the controller.

After fitting, check that the brake caliper cover is correctly positioned and that it does not interfere with the operation of the brake lever or access to the Di2 controls.

Product contents

The kit Shimano Y0NS98010 includes:

• 1 left-hand wrist rest

• 1 right-hand palm rest

• Parts Shimano original

• Colour: black

Technical specifications

• Brand: Shimano

• Range: Ultegra

• Compatible model: ST-R8170

• Transmission technology: Di2

• Number of gears: 12 speeds

• Configuration: 2x12-speed

• Room type: hand rests / pot lids / handle covers

• Reference Shimano : Y0NS98010

• Colour: black

• Editing: left lever and right lever

• Contents: pair of armrests

• Usage: road bike

• Play: Shimano original

• Compatibility: Shimano Ultegra Di2 ST-R8170