---
product_id: 431615663
title: "Ultegra CS-R8100 Cassette - 12-Speed, 11-30t, Silver"
brand: "shimano"
price: "S$321"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/431615663-ultegra-cs-r8100-cassette-12-speed-11-30t-silver
store_origin: SG
region: Singapore
---

# lightweight aluminum carrier 12-speed precision gearing durable steel cogs Ultegra CS-R8100 Cassette - 12-Speed, 11-30t, Silver

**Brand:** shimano
**Price:** S$321
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift into the future of cycling performance!

## Quick Answers

- **What is this?** Ultegra CS-R8100 Cassette - 12-Speed, 11-30t, Silver by shimano
- **How much does it cost?** S$321 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/431615663-ultegra-cs-r8100-cassette-12-speed-11-30t-silver)

## Best For

- shimano enthusiasts

## Why This Product

- Trusted shimano brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Crafted from robust steel cogs designed to withstand long miles and intense rides without compromise.
- • **Featherlight Strength:** Aluminum carrier reduces overall weight to keep your ride agile and responsive.
- • **Pro-Level Engineering:** Shimano’s Ultegra tech ensures race-ready reliability and efficiency for serious cyclists.
- • **Versatile Range Options:** Choose between 11-30T or 11-34T cog sets to perfectly match your terrain and riding style.
- • **Seamless 12-Speed Shifting:** Experience ultra-smooth cadence transitions with tightly spaced gear ratios for optimal performance.

## Overview

The Shimano Ultegra CS-R8100 12-Speed Cassette offers a precision-engineered 12-gear setup with durable steel cogs and a lightweight aluminum carrier. Available in 11-30T and 11-34T ranges, it delivers smooth, reliable shifting and endurance for demanding cyclists seeking pro-level drivetrain performance.

## Description

Ultegra Cs-R8100 12-Speed Cassette

## Features

- Cog Sizes: [11-30] 11, 12, 13, 14, 15, 16, 17, 19, 21, 24, 27, 30, [11-34] 11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30, 34
- Cog Material: steel
- Freehub Type: HG
- Carrier Material: aluminum
- Claimed Weight: [11-30] 291g, [11-34] 345g

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Shimano |
| UPC | 192790893761 |
| Age Range | Adult |
| Color | Silver, 11-30T |
| Size | 12-Speed |
| Height | 5.87 inches |
| Length | 5.63 inches |
| Weight | 1.1 Pounds |
| Width | 2.75 inches |
| Material Type | Alloy Steel, Aluminum |
| Number of Items | 1 |
| Sport | Cycling |
| Batteries Included? | No |
| Department | mens |
| Item model number | ICSR810012130 |
| Product Dimensions | 14.61 x 14.61 x 6.99 cm; 385.55 g |
| ASIN | B09YJYWTBT |

## Product Details

- **Brand:** SHIMANO
- **Colour:** Silver, 11-30T
- **Material:** Alloy Steel, Aluminum
- **Item weight:** 386 g
- **Mounting type:** Braze-On Mount

## Images

![Ultegra CS-R8100 Cassette - 12-Speed, 11-30t, Silver - Image 1](https://m.media-amazon.com/images/I/710kga+trYL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- SHIMANO Ultegra CS-R8100 Cassette - 12-Speed, 11-30t, Silver
- SHIMANO Bt-Dn300 Battery Black, One Size
- SHIMANO 2Nd Gen E-Tube Di2 Wire

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**Shop now:** [https://www.desertcart.sg/products/431615663-ultegra-cs-r8100-cassette-12-speed-11-30t-silver](https://www.desertcart.sg/products/431615663-ultegra-cs-r8100-cassette-12-speed-11-30t-silver)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-09*