STONE 130BCD Oval Chainring 40-60T for Brompton, for SRAM RED and for Shimano 5700 Cranks, Narrow-Wide 1x Setup
Stone 130BCD Oval Chainring for Brompton for SRAM Red for Shimano 5700 6700 for Rotor for QUARQ Power Meter Crank 40T–60T 9–12-speed 7075-T651 Aluminum Road Folding Bike Chainring
Technical Specifications
Item
Specification
Product Type
Chainring
BCD
130BCD
Material
High-strength Aluminum 7075-T651
Key Feature
Material: High-strength Aluminum 7075-T651
Compatibility
Compatible with 9 / 10 / 11 / 12-speed MTB chains; Compatible with 9 / 10 / 11-speed for SRAM road bike chains; Compatible with 9 / 10 / 11 / 12-speed for Shimano road bike chains
Product Description
Overview
Stone 130BCD oval chainring is designed for 1x drivetrain setups and is compatible with 130BCD cranks, including for Brompton, for SRAM Red, for Shimano 5700 / 6700, for Rotor 130BCD, and for QUARQ 130BCD power meter cranks.
This chainring is designed for regular 9-12-speed chain, not for SRAM AXS Flattop 12/13-speed chain or T-Type chain. (AXS tooth profile need customize)
Made from high-strength 7075-T651 aluminum alloy and CNC-machined with high precision, this chainring offers excellent stiffness, durability, and smooth riding performance.
Compatible with 9 / 10 / 11-speed for SRAM road bike chains
Compatible with 9 / 10 / 11 / 12-speed for Shimano road bike chains
Not Compatible With
Not compatible with 2x drivetrain
Not compatible with SRAM AXS Flattop 12/13-speed chain
Not compatible with original for Shimano 12-speed road quick link
Important Notice
This chainring is designed for 1x drivetrain only and does not support 2x drivetrain setups.
For Shimano 12-speed road bike chains, the original for Shimano 12-speed quick link is too narrow. Please replace it with another brand 12-speed quick link, such as:
If you need a different ovality other than 8.3%, please contact us for custom production.
Size and Weight
Tooth Size
Max Diameter
Weight
40T
178mm
86g
42T
186mm
85g
44T
194mm
90g
46T
202mm
86g
48T
210mm
99g
50T
219mm
107g
52T
226mm
112g
54T
235mm
119g
56T
242mm
124g
58T
250mm
129g
60T
259mm
133g
Note: 40T to 44T do not have 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 from the USA, a material supplier known for aerospace-grade aluminum products. The chainring provides excellent stiffness, strength, and long-term durability.
High-Precision CNC Machining
Manufactured by high-speed CNC machining with 0.03mm processing accuracy, helping ensure stable performance, accurate fitment, and smooth power transfer.
Most Stone chainrings are produced by order. Please allow 3–5 days preparation time before shipment.
Thank you for your understanding.
Available Options
Each row below is one available option combination. Choose the complete combination that matches your setup.
Option 1
Option 2
Black Hollow
46T
Black Hollow
48T
Black Hollow
50T
Black Hollow
52T
Black Hollow
54T
Black Hollow
56T
Black Hollow
58T
Black Hollow
60T
Black Hollow
40T
Black Hollow
42T
Black Hollow
44T
Black Aero
46T
Black Aero
48T
Black Aero
50T
Black Aero
52T
Black Aero
54T
Black Aero
56T
Black Aero
58T
Black Aero
60T
Black Aero
40T
Black Aero
42T
Black Aero
44T
Silver Hollow
46T
Silver Hollow
48T
Silver Hollow
50T
Silver Hollow
52T
Silver Hollow
54T
Silver Hollow
56T
Silver Hollow
58T
Silver Hollow
60T
Silver Hollow
40T
Silver Hollow
42T
Silver Hollow
44T
Silver Aero
46T
Silver Aero
48T
Silver Aero
50T
Silver Aero
52T
Silver Aero
54T
Silver Aero
56T
Silver Aero
58T
Silver Aero
60T
Silver Aero
40T
Silver Aero
42T
Silver Aero
44T
All Taxes & Duties Included • Fast Delivery (8–12 Days) • No Hidden Fees • 6-Month Warranty
1 How long is the warranty? We offer 6 months limited warranty to all products because of the quality defects. We offer lifetime payable repair service after the warranty.
2 Do need to pay tax duty when package arrive my country? You no need to pay tax when package arrive your country, most countries in the world no need pay. USA aslo no need tax duty and tariff, our carrier will cover it.
Brazil, Chile, Columbia clients need pay import duty when package arrive your country.
3 Can I return the goods if I am not like it? Yes you can apply return and refund when you receive the product within 7 days. But as return shipping fee is relatively high when send back to China, so we suggest you consider and carefully before purchase.
Or you can send message to us and discuss technical issues to clarify if the products is what you need, and then pay after you sure your order is correct.
4 How long is the shipping time? To most countries 7-15days can arrive your address. Pay extra 20USD if want ship by Fedex DHL UPS.
5 How can I know the tracking number? We will send the tracking code to your email automatically after we send the package. check the track update here https://www.17track.net/en