Ultralight DI2 Battery Holder for Colnago Y1RS (Bottle Cage Not Included)｜80g Weight Saving Upgrade

Product Overview

This ultralight DI2 battery holder is designed to fit perfectly inside the Colnago Y1RS frame battery compartment. Made from reinforced composite material, it secures the battery firmly while achieving significant weight reduction.
Compared to the original 107g+ battery base, this upgraded holder weighs only around 27g, saving over 80 grams instantly.

Key Features

• Fully compatible with the Colnago Y1RS battery compartment

• Weight reduction of 80g+ compared to stock part

• Battery fits securely with no rattling or movement

• Premium matte finish, sleek and clean look

• Easy installation using stock screw positions

Compatibility

• Colnago Y1RS (all versions)

Specifications

• Material: Reinforced composite + stainless screws

• Weight: ~27g (with bolts)

• Color: Black matte

• Craftsmanship: High-precision molding

Package Includes

• DI2 ultralight battery holder ×1

• Screw set ×1

Notes

• This is a third-party upgrade component

• DI2 battery is not included

• Confirm battery orientation before installation