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[Inventory Sale!][Used] Aluminum Cog, Nickel Black, 11s (12-25t)

[Inventory Sale!][Used] Aluminum Cog, Nickel Black, 11s (12-25t)

SALE 中古品 送料無料
Regular price ¥8,448 JPY
Regular price ¥14,080 JPY Sale price ¥8,448 JPY
40%OFF Sold out

Original retail price: ¥21,000 (at the time of sale, tax included)

Used condition:★★★★☆(almost new)

Low stock

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Item number: SKU:3001519051245(-10280324)

■ Domestic Shipping Fee Estimate

Overview

Used, like new TNi aluminum cogs, nickel black, 11s (12-25T). An ultra-lightweight sprocket weighing a mere 113g thanks to its CNC7075 aluminum construction. Recommended for riders who prioritize weight reduction for hill climbs and races.
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TNi Aluminum Cog Nickel Black 11s (12-25T) Used | Aluminum Sprocket for Riders Seeking Lighter Weight

Only 113g. An ultra-light 11-speed aluminum cog for hill climbs and race-day performance.

Lighter, faster. TNi's aluminum cogs are made for riders who pursue these ideals.

Featuring CNC-machined 7075 aluminum, this 12-25T cog achieves an impressive reference weight of just 113g. This allows for significant weight reduction compared to typical steel sprockets, providing a major advantage in hill climbs and race scenarios.

The close-ratio configuration of 12-13-14-15-16-17-18-19-21-23-25T is also ideal for road riders who want to maintain a precise cadence. The unique presence of the black nickel finish is another attractive feature.

Unlike manufacturer-original sprockets, this is a competition-oriented part that prioritizes weight reduction. It will deliver its full performance when used with proper adjustment and regular maintenance.

 

Features

  • Features CNC-machined 7075 aluminum cogs
  • Ultra-lightweight design with a reference weight of 113g
  • Ideal for hill climbs and racing
  • Close-ratio configuration for easy cadence maintenance
  • Compatible with Shimano 11-speed freehubs
  • Lockring included
  • Unique appearance with black nickel color

 

SPEC

  • Manufacturer: TNi
  • Product Name: Aluminum Cog Nickel Black
  • Number of Speeds: 11-speed
  • Compatible Freehub: Shimano 11s
  • Cog Configuration: 12-13-14-15-16-17-18-19-21-23-25T
  • Gear Range: 12-25T
  • Material: CNC Aluminum 7075
  • Color: Nickel Black
  • Reference Weight: Approx. 113g
  • Accessories: Lockring
  • Condition: Used, Excellent

 

Usage Notes

  • This product is a lightweight component designed for race use.
  • Durability and shifting performance may be inferior to manufacturer-original sprockets.
  • Precise rear derailleur adjustment is required.
  • Recommended for use with new SHIMANO or KMC high-end chains.
  • Please ensure the chain moves to the correct cog during shifting.
  • Improper use may cause tooth wear, damage, or chain skip.

 

The biggest appeal of this model is its lightness. At 113g, it is exceptionally light compared to typical sprockets and greatly contributes to weight reduction for hill climbs and race-day wheels.

However, since this product prioritizes weight reduction over durability and shifting performance, careful adjustment and maintenance are essential. This part is better suited for events, races, or hill climbs rather than everyday use.

The condition is good, and opportunities to find this item are rare nowadays. This is a must-see item for those who are particular about weight reduction.

※As this is a used item, there may be minor scratches from use and storage. Please check the product images for detailed condition.

◆Returns and Exchanges

Please inspect your order as soon as possible after it arrives.

  • Parts, apparel, accessories, and other cycling goods may be returned or exchanged. Return and reshipping costs are covered either by the customer or by our store, depending on the circumstances.
  • Complete bicycles cannot be returned or exchanged for reasons of customer preference. We will only accept returns in the event of a product defect or damage during delivery.

View our Return and Exchange Policy


◆“In-store Stock” and “Special Order” Items

  • “In-store Stock” items are currently available at an Eirin store or in our warehouse. Each item will be inspected before being dispatched.
  • “Special Order” items are ordered from the manufacturer or an authorized Japanese distributor. After the item arrives, we conduct a final inspection before dispatch.

※If “In-store Stock” is unavailable, please select “Special Order.” We will contact you by email once the item has arrived from the supplier.
※If the manufacturer or distributor is also out of stock, the item cannot currently be purchased. Select the “Notify me when available” button to receive a restock notification.


◆From Order to Delivery

From order confirmation to delivery

※① If an item is out of stock, we will contact you by email and ask whether you would like to change or cancel the item.
※② Items cannot be added, changed, or cancelled after the order has been confirmed.
※③ Once your order has been dispatched, we will email you with the shipping confirmation and tracking number.

Customers who have not received an email from us


◆Shipping Carrier

Orders are generally shipped by Seino Transportation.
Another shipping carrier may be used depending on the contents of your order or the delivery area.


◆Pickup at Eirin Stores in Kyoto City

  • Shipping is free when you collect your order from one of our street-front stores in Kyoto City.
  • Complete bicycles generally require approximately 1-2 weeks for assembly and inspection before pickup.
  • Some parts and apparel are stored in our warehouse and may require approximately 1-5 days before they are ready for pickup.

※Due to system limitations, the following payment methods are available for store pickup orders:
Shop Pay, Credit Card, Bank Transfer, and JACCS Financing
Customers wishing to use another payment method should select standard delivery instead of store pickup.


◆Pickup at a Seino Transportation Branch

Seino Transportation branch pickup service

※Shipping for complete bicycles is free when the bicycle is collected from an eligible Seino Transportation branch.

  • This service is available only for complete bicycles. Parts, cycling goods, apparel, and accessories are not eligible.
  • For purchases under ¥55,000 including tax and excluding payment fees, the shipping charge is reduced to half of the standard rate.
  • Different charges apply to Hokkaido, Okinawa, and remote islands. These charges are still lower than residential delivery rates.

Seino Branch Pickup Details

List of Seino Transportation Branches


◆Shipping Fees

The total shipping charge for your order will be calculated automatically and displayed at checkout after you enter your delivery address.

View Shipping Rates


Store Information

■Eirin Imadegawa Kyodai-mae Annex
  • Eirin Imadegawa Kyodai-mae Annex

  • Address  Kyoto-shi, Sakyo-ku, Tanaka Sekiden-cho 2-7, Oto Royal Heights Shibunkaku Kaikan 105
    Phone  075-585-5750
    Business Hours  10:00 AM - 7:00 PM
    Closed  Closed on Wednesdays, New Year's holidays, and during the Obon festival.

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