---
product_id: 43252198
title: "Big Roc 57SATB12LGN Stem, 28.6X50Mm, 31.8mm Bore, 25.4mm Adaptor, Alloy-Light Green"
brand: "big rock tools"
price: "128.21 DT"
currency: TND
in_stock: true
category: "Automotive"
url: https://www.desertcart.tn/products/43252198-big-roc-57satb12lgn-stem-28-6x50mm-31-8mm-bore-25
store_origin: TN
region: Tunisia
---

# Light Green Color 31.8mm Bore 28.6x50mm Ext Big Roc 57SATB12LGN Stem, 28.6X50Mm, 31.8mm Bore, 25.4mm Adaptor, Alloy-Light Green

**Brand:** big rock tools
**Price:** 128.21 DT
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride in Style with Big Roc!

## Quick Answers

- **What is this?** Big Roc 57SATB12LGN Stem, 28.6X50Mm, 31.8mm Bore, 25.4mm Adaptor, Alloy-Light Green by big rock tools
- **How much does it cost?** 128.21 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/43252198-big-roc-57satb12lgn-stem-28-6x50mm-31-8mm-bore-25)

## Best For

- big rock tools enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit:** Designed with a 31.8mm bore and includes a 25.4mm adaptor for versatile compatibility.
- • **Sleek Aesthetic:** Stand out with a vibrant light green finish that adds flair to any bike.
- • **Elevate Your Ride:** Crafted from durable alloy for a lightweight yet robust experience.
- • **Upgrade Your Gear:** Transform your cycling experience with this essential component.
- • **Precision Engineering:** Expertly engineered dimensions ensure optimal performance and stability.

## Overview

The Big Roc 57SATB12LGN Stem is a high-quality alloy component designed for cyclists seeking both performance and style. With dimensions of 28.6x50mm and a 31.8mm bore, it includes a 25.4mm adaptor for versatile fitting. Its striking light green color not only enhances your bike's aesthetics but also ensures you ride with confidence and flair.

## Description

Br tools provides quality products around the world. We work closely with our manufacturing facilities to design and produce everyday products that make your life better.

## Features

- Material: alloy
- Ext: 28.6 x 50 mm
- Bar bore: 31.8 mm
- w/25.4mm adaptor
- Color: light Green

## Images

![Big Roc 57SATB12LGN Stem, 28.6X50Mm, 31.8mm Bore, 25.4mm Adaptor, Alloy-Light Green - Image 1](https://images-na.ssl-images-amazon.com/images/I/416qZ1NuEpL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/43252198-big-roc-57satb12lgn-stem-28-6x50mm-31-8mm-bore-25](https://www.desertcart.tn/products/43252198-big-roc-57satb12lgn-stem-28-6x50mm-31-8mm-bore-25)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-04*