Shimano chainring 30 teeth type A 9 speed 74 mm

Shimano type A 30-tooth chainring – lightweight 8/9-speed inner chainring

Looking for a reliable Shimano 30-tooth chainring to replace a worn component or restore your bike's drivetrain? This Shimano Type A chainring is an excellent choice for cyclists seeking smooth shifting, durability, and lightweight performance.

Designed for Shimano 8 and 9-speed drivetrains, this inner chainring delivers efficient power transfer while helping you tackle steep climbs with ease. Manufactured from high-quality aluminum, it weighs only 35 grams, making it an ideal option for riders looking to reduce overall bike weight without sacrificing strength.

Although it has been mounted, this chainring has never been used, so it remains in excellent condition.

Shimano type A 30T chainring specifications

This chainring features the following specifications:

• Brand: Shimano

• Type: Type A

• Teeth: 30T

• Compatibility: Shimano 8-speed and 9-speed drivetrains

• Position: Inner chainring

• Bolt Circle Diameter (BCD): 74 mm

• Bolt Hole Diameter: 8 mm

• Material: Aluminum

• Weight: 35 g

• Condition: Mounted but never used

With its 74 mm BCD, this chainring is compatible with many Shimano cranksets that use the same bolt circle standard. Be sure to verify your crankset specifications before purchasing to ensure compatibility.

Why choose a Shimano 30-tooth chainring ?

A 30T Shimano chainring is a popular choice for mountain bikers, touring cyclists, and riders who frequently encounter steep or technical terrain. The smaller tooth count provides lower gearing, making climbing easier while reducing rider fatigue on long rides.

Paired with a suitable cassette, it offers smoother pedaling and improved efficiency when riding uphill or over rough terrain.

Key benefits include:

• Easier climbing on steep gradients

• More comfortable pedaling at lower speeds

• Excellent compatibility with Shimano 8 and 9-speed systems

• Lightweight aluminum construction

Lightweight and durable aluminum construction

This Shimano aluminum chainring combines low weight with outstanding durability. Aluminum is widely recognized for providing an excellent balance of strength, stiffness, and corrosion resistance.

At only 35 grams, it helps reduce the weight of your drivetrain while maintaining long-lasting performance. When used with a properly maintained chain, it offers reliable wear resistance and consistent shifting performance.

Compatible with Shimano 8 and 9-speed drivetrains

Designed specifically for Shimano 8-speed and 9-speed drivetrains, this inner chainring ensures smooth chain engagement and dependable shifting performance.

Before installation, confirm the following:

• Your drivetrain is 8 or 9-speed

• Your crankset uses a 74 mm BCD

• The bolt holes measure 8 mm

• The chainring is installed in the inner position

Checking these specifications will ensure a perfect fit and optimal performance.

Mounted but never used

Although this chainring has already been mounted on a crankset, it has never been ridden. It shows no signs of drivetrain wear and remains in excellent, near-new condition.

It is an ideal choice for:

• Replacing a worn chainring

• Restoring a vintage Shimano-equipped bicycle

• Keeping a high-quality spare part

• Completing a compatible crankset build

Key features of the Shimano type A 30T chainring

Choosing this Shimano Type A 30-tooth chainring offers several advantages:

• Genuine Shimano component

• Compatible with 8 and 9-speed drivetrains

• 30-tooth design for improved climbing performance

• Lightweight and durable aluminum construction

• Only 35 grams

• 74 mm Bolt Circle Diameter (BCD)

• 8 mm bolt holes

• Mounted but never used

Conclusion

The Shimano Type A 30T chainring is an excellent replacement for a compatible inner chainring. Thanks to its compatibility with Shimano 8/9-speed drivetrains, 74 mm BCD, lightweight aluminum construction, and 35-gram weight, it delivers the reliability and performance cyclists expect from Shimano components.

Mounted but never used, it offers the condition of a virtually new part at an attractive value. Whether you're restoring a mountain bike, upgrading a touring bike, or simply looking for a dependable replacement chainring, this Shimano 30T chainring is a lightweight, durable, and reliable choice.