VUELTA 7428B Chainring Bcd Mtb Bike Granny 4-BOLT 1990S

( Brand: Vuelta ), ( Manufacturer Part Number: 7428B ), ( Part Type: Bcd Bike ), ( Color: Blue ), ( Number Of Teeth: 28 Tooth ), ( Mounting Type: 4-arm ), ( Material: Aluminum ), ( Compatible Bike Type: Universal ), ( Distance Between Bolt Holes: 74 Mm )

Review VUELTA Chainring Bcd 4-bolt Mtb Bike Usa Tooth 1990granny

The **Vuelta 7428B 28-tooth 74mm BCD 4-bolt mountain bike chainring** is a relic from the golden era of 1990s mountain biking, embodying the rugged, no-nonsense engineering that defined the sport s early days. Crafted for hard-hitting trail riding and cross-country endurance, this chainring is a testament to the simplicity and durability that made early MTB components legendary. With a **74mm BCD (bolt circle diameter)**, it s designed to fit the classic 74mm spacing found on many vintage and modern bikes alike, ensuring a secure and true installation on the front derailleur. The **4-bolt pattern** a hallmark of 1990s chainrings provides a robust, bolt-on connection to the crankset, minimizing wobble and maximizing power transfer, even under the most demanding conditions. The **28-tooth count** is a staple of the "granny gear" era, offering a low, torque-rich ratio perfect for climbing steep, technical trails or hauling weight on long rides, while still maintaining enough speed for efficient pedaling on flatter sections. This chainring isn t just a gear; it s a piece of cycling history, built to withstand the abuse of gravel, mud, and rough terrain without sacrificing performance. Whether you re restoring a classic 1990s MTB or upgrading a modern bike with a retro crankset, the Vuelta 7428B delivers the reliability and character of an era when bikes were made to last and riders were made to push them. Its straightforward design, combined with the durability of its construction, makes it an ideal choice for enthusiasts who appreciate the raw, uncompromising spirit of early mountain biking.

### Pros and Cons of buying a Vuelta 7428B 28T Chainring (74 BCD, 4-Bolt, MTB)

1. **Compatibility with Older Bikes** The 74 BCD (bolt circle diameter) is a standard from the 1980s and 1990s, making it ideal for older mountain bikes, especially those with "granny" setups (low gears for climbing). This chainring will fit most vintage MTBs without modification.

2. **Durability** The 4-bolt pattern is robust and designed to handle the stresses of mountain biking, reducing the risk of chainring failure over time. The material (likely steel or aluminum) is built to last, especially if the bike sees moderate use.

3. **Cost-Effective** As a used or discontinued part, this chainring is likely affordable compared to modern alternatives. It s a practical solution for restoring or maintaining an older bike without investing in a full rebuild.

4. **Simplicity** The design is straightforward, with no complex features like carbon fiber or aggressive tooth profiles. This makes it easy to install, adjust, and replace if needed.

5. **Gear Ratio Suitability** A 28T chainring is well-suited for climbing, which aligns with the "granny" description. It provides a balanced gear for steep or technical terrain without being overly slow.

6. **Availability of Spare Parts** Since this is a classic part, finding replacements or compatible components (chains, cassettes) is easier than with highly specialized modern setups.

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1. **Limited Modern Compatibility** The 74 BCD standard is outdated, and modern bikes (especially those with 11-speed or wider-range cassettes) may not align perfectly. You ll need to ensure the cassette and chain are compatible with this chainring.

2. **Potential Wear Over Time** Older chainrings, especially if not well-maintained, may develop uneven wear or tooth damage. If the bike has seen heavy use, the chainring might need replacement sooner than expected.

3. **No Performance Optimizations** Unlike modern chainrings, this one lacks features like aggressive tooth angles for better chain engagement or lightweight materials for reduced rotational mass. Performance gains in climbing or acceleration may be modest compared to newer designs.

4. **Chain and Cassette Compatibility Issues** A 28T chainring paired with a modern cassette (e.g., 1x11 or 1x12) might require a longer chain or a derailleur adjustment to avoid chain rub or improper shifting. Older chains (e.g., 1/8" or 3/32") may not fit perfectly with newer drivetrains.

5. **Aesthetic and Functional Limitations** The design is utilitarian and lacks the sleek or aggressive profiles found in modern MTB chainrings. If you re upgrading an older bike for performance or style, this may feel outdated.

6. **Potential for Misalignment** If the bike frame or bottom bracket has worn or been modified, the chainring might not sit flush, leading to chain skipping or premature wear.

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The Vuelta 7428B 28T chainring is a solid, no-frills choice for restoring or maintaining a vintage MTB, particularly if the bike is already equipped with a 74 BCD bottom bracket and cassette. It excels in compatibility, durability, and cost-effectiveness for its intended use climbing and technical riding on older bikes. However, it may not be the best option if you re aiming for modern performance, efficiency, or a fully updated drivetrain. If your primary goal is functionality and you re working within a classic setup, this chainring is a practical and reliable part. For bikes intended for aggressive riding or modern drivetrains, consider upgrading to a more contemporary chainring (e.g., 110 BCD, 4-bolt, or 3-bolt) for better compatibility and performance.

- **Buy it if:** You have a 1990s-era MTB with a 74 BCD bottom bracket, need a reliable climbing gear, and want an affordable, easy-to-find replacement part. It s ideal for "granny" setups or bikes where you prioritize simplicity over cutting-edge performance.

- **Avoid it if:** You re planning to upgrade the drivetrain to a modern standard (e.g., 1x11/12), need aggressive climbing performance, or want a more durable, lightweight option. In those cases, invest in a chainring compatible with your current cassette and bottom bracket (e.g., 110 BCD, 4-bolt, or a modern 28T chainring with optimized tooth geometry).

Details:

Material: CNC-machined aluminum chainring with blue anodized finish. Vuelta 28T aluminum chainring for 4-bolt 74mm BCD crank sets. Bolt holes show light oxidation and staining, only the bare chainring is included; bolts other hardware are not present. Teeth and size: 28 tooth inner/granny ring sized for compact triple crank applications.

Mounting: 4-bolt 74mm bolt circle diameter pattern BCD value shown on the printed gauge. Vuelta 28T Chainring 74 BCD 4-Bolt MTB Bike USA 28 Tooth 1990Granny. Used chainring with substantial cosmetic wear to the blue anodized finish on both sides, including large areas rubbed bare aluminum, scratches, and scattered paint loss around teeth bolt tabs. Tooth profiles show riding wear and several teeth have small nicks at the tips, but all are present with no cracks or missing sections.

part #: 7428b price

• $17.79

specifications ribicycl:

• brand: Vuelta
• mpn: 7428b
• part type: Bcd Bike
• color: Blue
• number of teeth: 28 Tooth
• mounting type: 4-arm
• material: Aluminum
• compatible bike type: Universal
• distance between bolt holes: 74 Mm

payments ribicycl:

• credit card: Discover
• other
• wallet: Apple-pay

offer ribicycl:

• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• started: February 20, 2026
• availability: In Stock

seller ribicycl:

• # reviews: 31362
• rating: 100.0%
• city: Neenah, Wisconsin

general ribicycl:

• Cycling > Bicycle Components Parts > Chainrings BMX Sprockets
• condition: Used

returns ribicycl:

• paid by: Seller
• policy: Returns Accepted
• method: Money back
• time: 60 Days

shipping ribicycl:

• cost: $5.95
• class: Standard, Expedited
• transit: 4-7 Days
• service: Standard, Expedited
• type: Fixed

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