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4.5 (123)

Profile 19mm Spline Sprocket (18T, 20T, 23T, 25T & 28T)

Name: FlatSociety Profile 19mm Spline Sprocket (18T, 20T, 23T, 25T & 28T) - Profile 19mm Spline Sprocket (18T, 20T, 23T, 25T & 28T)
Brand: FlatSociety
SKU: 39430986661982
Price: 62.99 USD
Availability: InStock
Rating: 5 (6 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$62.99

Quantity

Color

Black

Quantity

Description

CNC machined from 7075 Aluminum in the USA!
Requires no sprocket bolt. Instead, it has a hardened Cr-Mo Steel insert that matches up to the 48 Splines on the crank axle for pure, direct power transfer.

Available for 19mm splined axles onl...

Reviews

5.0

6 ratings

Bikeage

Fast shipping!Thank You

Bikeage · December 20, 2025

Beautiful machining. Absolute art. Flatsociety has been awesome to deal with.

Mel · September 9, 2025

Great customer service!

Flat Society has a unique selection of parts when you’re building your dream bike. Fast and friendly customer service too. This sprocket, along with the 19mm Profile Race cranks, is going into the best drivetrain I’ve ever had in a bike. Can’t wait to rip it!

Jacob · October 11, 2024