Shimano Di2 SM-EW90 elastic cable clamp - Y7FE00040

Shimano e Y7FE00040 is an elastic retaining strap designed to secure the Shimano Di2 SM-EW90 (Junction A) unit to the handlebars. It secures the electronic junction box firmly beneath the stem or on the handlebars, ensuring a neat, stable and vibration-free installation.

Used on Shimano Di2 10- and 11-speed systems, this clamp ensures a reliable mount for the SM-EW90-A or SM-EW90-B junction box, whilst remaining adjustable to fit different stem diameters. A simple yet essential solution for securing the bike’s electronic system and preventing any movement of the unit whilst riding.

Technical specifications

• Brand: Shimano
• Productcode: Y7FE00040
• Type: clamp / elastic mounting strap
• Compatibility: Shimano SM-EW90-A / SM-EW90-B (Di2) control units
• Use: for mounting under the stem or on the handlebar
• Material: elastomer / engineering plastic
• Adjustment: adaptable to stem diameter (adjustable by cutting)
• Fitting: simple, no special tools required
• Sold: individually

Key features

• Secure mounting of the Di2 SM-EW90 unit
• Quick installation with no complex tools required
• Adjustable to fit different stem diameters
• Neat and discreet housing for the electronic system
• Reliable and durable genuine Shimano part
• Prevents vibrations and movement of the Junction A

FAQ

What exactly is this clamp used for?

It is used to secure the Shimano Di2 SM-EW90 junction box under the stem or on the handlebars, ensuring it remains firmly in place during use.

Is it compatible with all Di2 systems?

No, it is only designed for systems using the SM-EW90 (Junction A).

Can it be replaced with a standard cable tie?

Not recommended: this model is designed to fit the Di2 junction box precisely and ensure optimal support without damaging the electronics.

Is it reusable?

Yes, provided it is not damaged or overstretched, it can be reused when dismantling or reassembling the bike.

Do you need tools to fit it?

No, it is fitted by hand and can be adjusted by cutting the end to suit the diameter of the stem.