100% original products

Free shipping on orders over €100 in Spain
1 2

Overfast Full Carbon Battery Mount (Colnago Y1RS)

Shimano Di2 mount for Colnago Y1RS, 7 g ±1 g, with carbon fiber cover and body.

Weight7 g ±1 g
CompatibilityColnago Y1RS, Shimano Di2
ConstructionCarbon cover and body
FinishesForged Carbon / 3K Carbon
120,00 €
Taxes included. Standard shipping to Spain free on orders over €100. Conditions
Finish

Pickup available at QUINIENTOSDOCE

We'll let you know as soon as your order is ready for pickup.
Estimated deliveryCheck availability and delivery time
Free shippingFrom 100€ in Spain
Official dealer100% authentic products
Official warrantyBacked by the brand

Complete your setup

Overfast Pack Factor One — imagen 2

Overfast Carbon Axle

220,00 €

Select Overfast axles for Colnago V5RS / Y1RS to complete the build

Overfast Ultralight Handlebar Plug

49,00 €

Overfast handlebar end plugs to complete the cockpit finish

  • Free shippingFrom 100€ in Spain
  • Secure paymentSSL & verified gateways
  • Official dealerAuthentic products only
  • Official warrantyBacked by the brand
Product Details

The Overfast Full Carbon Battery Mount allows you to complete a Colnago Y1RS with Shimano Di2 using a mount that combines a carbon fiber cover and body. It is designed for builds seeking to reduce weight in finishing components.

The Full Carbon version is available in Forged Carbon and 3K Carbon finishes. Its construction corresponds to the manufacturer's references intended for the fully carbon mount for Shimano Di2.

Technical Specifications
  • Type: Shimano Di2 battery holder
  • Frame compatibility: Colnago Y1RS
  • Compatible groupset: Shimano Di2
  • Cover: carbon fiber
  • Body: carbon fiber
  • Finishes: Forged Carbon and 3K Carbon
  • Forged Carbon reference: OF-Y1RS-BC-05
  • 3K Carbon reference: OF-Y1RS-BC-06
Weight

7 g ±1 g

Why buy at RaceIT

Expert cyclists

We ride what we sell. Real advice from passionate riders.

Fast delivery

Tracked shipping across Europe with reliable carriers.

Premium brands

Curated selection of top-tier carbon and components.

After-sales support

We help you before, during and after your purchase.

No hidden fees We handle customs, anti-dumping duties and all import charges. The price you see is the final price — nothing added at delivery.
Need help choosing? Our team is here to guide you to the right product.
Contact us

Our promise to you

RaceIT is a passion project run by riders. Every order is checked by hand, shipped with tracking and backed by personal support. If something is not right, we make it right.

— The RaceIT team
Accepted payment methods
VISA AMEX PayPal Pay GPay shopPay Klarna.

Works well with this

Overfast Pack Colnago Y1RS — imagen 1

Overfast Titanium Preload System (Colnago Y1RS)

From 265,00 €
Overfast Y1RS 3D-Printed Gap Cover, kit de tres tapas para Colnago Y1RS

Overfast 3D Cover Kit (Colnago Y1RS)

20,00 €

Compare alternatives

You are viewing

Overfast soporte de batería Shimano Di2 Full Carbon para Colnago Y1RS, Carbono Forjado

Overfast Full Carbon Battery Mount (Colnago Y1RS)

120,00 €
Weight7 g ±1 g
CompatibilityColnago Y1RS, Shimano Di2
ConstructionCarbon cover and body
FinishesForged Carbon / 3K Carbon

Overfast Di2 Battery Cover (Colnago Y1RS)

45,00 €
Weight10 g Shimano / 5 g SRAM (±1 g)
MaterialCarbon fiber
CompatibilityColnago Y1RS
FinishesForged Carbon and 3K Carbon
View product
{"id":15416049238402,"title":"Overfast Full Carbon Battery Mount (Colnago Y1RS)","handle":"overfast-soporte-bateria-full-carbon-y1rs","description":"\u003cp\u003eThe \u003cstrong\u003eOverfast Full Carbon Battery Mount\u003c\/strong\u003e is a mount for the Shimano Di2 battery on the Colnago Y1RS that combines a carbon-fiber cover and body. It is the fully carbon version of the Overfast mount for this frame.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight 7 g ±1 g\u003c\/strong\u003e — lightweight construction to complete a high-performance build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon-fiber cover and body\u003c\/strong\u003e — Full Carbon construction specific to references OF-Y1RS-BC-05 and OF-Y1RS-BC-06.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimano Di2 and Colnago Y1RS compatibility\u003c\/strong\u003e — select the mount corresponding to your drivetrain and frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Carbon or 3K Carbon\u003c\/strong\u003e — two finishes to customize the look of the build.\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2026-10-14T20:29:39+02:00","created_at":"2026-10-14T20:29:05+02:00","vendor":"Overfast","type":"Accessories","tags":["Accesorios","Colnago Y1RS"],"price":12000,"price_min":12000,"price_max":12000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":56979944931714,"title":"Forged Carbon","option1":"Forged Carbon","option2":null,"option3":null,"sku":"OF-Y1RS-BC-05","requires_shipping":true,"taxable":true,"featured_image":{"id":78844911583618,"product_id":15416049238402,"position":1,"created_at":"2026-10-14T20:26:57+02:00","updated_at":"2026-10-14T20:26:59+02:00","alt":"Overfast soporte de batería Shimano Di2 Full Carbon para Colnago Y1RS, Carbono Forjado","width":1058,"height":1044,"src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-forjado.png?v=1792002419","variant_ids":[56979944931714]},"available":true,"name":"Overfast Full Carbon Battery Mount (Colnago Y1RS) - Forged Carbon","public_title":"Forged Carbon","options":["Forged Carbon"],"price":12000,"weight":7,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":"Overfast soporte de batería Shimano Di2 Full Carbon para Colnago Y1RS, Carbono Forjado","id":68579646636418,"position":1,"preview_image":{"aspect_ratio":1.013,"height":1044,"width":1058,"src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-forjado.png?v=1792002419"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":56979944964482,"title":"3K Carbon","option1":"3K Carbon","option2":null,"option3":null,"sku":"OF-Y1RS-BC-06","requires_shipping":true,"taxable":true,"featured_image":{"id":78844910731650,"product_id":15416049238402,"position":2,"created_at":"2026-10-14T20:26:51+02:00","updated_at":"2026-10-14T20:26:53+02:00","alt":"Overfast soporte de batería Shimano Di2 Full Carbon para Colnago Y1RS, Carbono 3K","width":1060,"height":960,"src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-3k.png?v=1792002413","variant_ids":[56979944964482]},"available":true,"name":"Overfast Full Carbon Battery Mount (Colnago Y1RS) - 3K Carbon","public_title":"3K Carbon","options":["3K Carbon"],"price":12000,"weight":7,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":"Overfast soporte de batería Shimano Di2 Full Carbon para Colnago Y1RS, Carbono 3K","id":68579645784450,"position":2,"preview_image":{"aspect_ratio":1.104,"height":960,"width":1060,"src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-3k.png?v=1792002413"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-forjado.png?v=1792002419","\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-3k.png?v=1792002413"],"featured_image":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-forjado.png?v=1792002419","options":["Finish"],"media":[{"alt":"Overfast soporte de batería Shimano Di2 Full Carbon para Colnago Y1RS, Carbono Forjado","id":68579646636418,"position":1,"preview_image":{"aspect_ratio":1.013,"height":1044,"width":1058,"src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-forjado.png?v=1792002419"},"aspect_ratio":1.013,"height":1044,"media_type":"image","src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-forjado.png?v=1792002419","width":1058},{"alt":"Overfast soporte de batería Shimano Di2 Full Carbon para Colnago Y1RS, Carbono 3K","id":68579645784450,"position":2,"preview_image":{"aspect_ratio":1.104,"height":960,"width":1060,"src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-3k.png?v=1792002413"},"aspect_ratio":1.104,"height":960,"media_type":"image","src":"\/\/raceit.cc\/cdn\/shop\/files\/overfast-y1rs-full-carbon-3k.png?v=1792002413","width":1060}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe \u003cstrong\u003eOverfast Full Carbon Battery Mount\u003c\/strong\u003e is a mount for the Shimano Di2 battery on the Colnago Y1RS that combines a carbon-fiber cover and body. It is the fully carbon version of the Overfast mount for this frame.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight 7 g ±1 g\u003c\/strong\u003e — lightweight construction to complete a high-performance build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon-fiber cover and body\u003c\/strong\u003e — Full Carbon construction specific to references OF-Y1RS-BC-05 and OF-Y1RS-BC-06.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimano Di2 and Colnago Y1RS compatibility\u003c\/strong\u003e — select the mount corresponding to your drivetrain and frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Carbon or 3K Carbon\u003c\/strong\u003e — two finishes to customize the look of the build.\u003c\/li\u003e\n\u003c\/ul\u003e"}