Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel
Stone 130BCD Oval Chainring for Brompton for Sram Red Shimano 5700 6700 40 42 44 46 48 50 52 54 56 58T 60T Road Folding Bike Chainwheel

STONE 130BCD Oval Chainring for Brompton & SRAM Red | 40–60T 7075 1x Chainwheel

Fits SRAM Red, Shimano 5700/6700, Rotor/QUARQ 130BCD cranks
Supports 9–12 speed standard chains; not for SRAM AXS Flattop
For 1x drivetrains only; 8.3% ovality

Buy Now

STONE 130BCD Oval Chainring for Brompton, SRAM Red & Shimano 5700/6700 | 40–60T 7075 Aluminum 1x Chainwheel for Road & Folding Bikes

Overview

The Stone 130BCD oval chainring is designed for 1x drivetrain setups and mounts on standard 130BCD cranks, including Brompton, SRAM Red, Shimano 5700 / 6700, Rotor 130BCD, and QUARQ 130BCD power meter cranks.

CNC-machined from high-strength 7075-T651 aluminum alloy, it combines stiffness, durability, and smooth pedaling performance, making it a dependable choice for both road and folding bikes.

Key Features

  • Brand: Stone
  • BCD: 130BCD
  • Chainring type: Oval chainring
  • Ovality: 8.3%
  • Drivetrain: For 1x speed bikes only
  • Material: High-strength aluminum 7075-T651
  • Material hardness: HB150
  • Thickness: 4 mm
  • CNC precision: 0.03 mm
  • Surface treatment: Anodized finish, high-speed CNC machining
  • Colors available: Black, Silver
  • Tooth options: 40T / 42T / 44T / 46T / 48T / 50T / 52T / 54T / 56T / 58T / 60T

Compatibility

Compatible Cranks

This chainring fits the following 130BCD cranks:

  • Brompton 130BCD crank
  • SRAM Red 130BCD crank
  • Shimano 5700 crank
  • Shimano 6700 crank
  • Rotor 130BCD crank
  • QUARQ 130BCD power meter crank
  • Other standard 130BCD cranks

Chain Speed Compatibility

  • 9 / 10 / 11 / 12 speed MTB chains
  • 9 / 10 / 11 speed SRAM road bike chains
  • 9 / 10 / 11 / 12 speed Shimano road bike chains

Not Compatible With

  • 2x drivetrains
  • SRAM AXS 12-speed Flattop chain
  • Original Shimano 12-speed road quick link

Important Notice

This chainring is designed for 1x drivetrains only and does not support 2x drivetrain setups.

For Shimano 12-speed road bike chains, the original Shimano 12-speed quick link is too narrow. Please replace it with another brand of 12-speed quick link, such as KMC, YBN, SUMC, or another compatible 12-speed quick link.

If you need an ovality other than 8.3%, please contact us for custom production.

Size and Weight

Tooth Size Max Diameter Weight
40T 178 mm 86 g
42T 186 mm 85 g
44T 194 mm 90 g
46T 202 mm 86 g
48T 210 mm 99 g
50T 219 mm 107 g
52T 226 mm 112 g
54T 235 mm 119 g
56T 242 mm 124 g
58T 250 mm 129 g
60T 259 mm 133 g

Note: 40T to 44T sizes do not have a hollow style.

Package Includes

  • 1 x Stone 130BCD oval chainring
  • 5 x chainring bolts

Advantages

High-Strength Material

Made from 7075-T651 aluminum alloy supplied by Aleris (USA), a supplier known for aerospace-grade aluminum products. The chainring delivers excellent stiffness, strength, and long-term durability.

High-Precision CNC Machining

Manufactured by high-speed CNC machining with 0.03 mm processing accuracy, ensuring stable performance, accurate fitment, and smooth power transfer.

Durable Surface Treatment

The anodized surface finish improves corrosion resistance, wear resistance, and long-lasting appearance.