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Profile Design Threadless Size Converter (1" - 1 1/8")
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Profile Design Threadless Size Converter (1" - 1 1/8")

4.5/5
Product ID: 288708444
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📏Fits 1" to 1-1/8"
⚙️Converts quill to threadless
🏋️Lightweight at 0.8 oz

Description

🚴‍♂️ Upgrade Your Ride, Elevate Your Game!

  • PRECISION FIT - Seamlessly adapts 1 inch to 1-1/8" threadless, ensuring compatibility with your bike.
  • ULTRA LIGHT DESIGN - Weighing in at just 0.8 ounces, it won’t weigh you down on your cycling adventures.
  • SLEEK SILVER FINISH - A stylish silver color that complements any bike setup, making you stand out on the road.
  • TRANSFORM YOUR RIDE - Easily convert quill style forks to threadless stems for a modern upgrade.
  • DURABLE ALUMINUM BUILD - Crafted from high-quality aluminum for long-lasting performance and reliability.

The Profile Design Threadless Size Converter allows cyclists to effortlessly convert quill style forks to threadless stems, accommodating sizes from 1 inch to 1-1/8". Weighing only 0.8 ounces and made from durable aluminum, this converter combines functionality with a sleek design, making it an essential upgrade for any cycling enthusiast.

Small manufacture image 1

Specifications

ColorSilver
Height1 inches
Length8 inches
Width3.25 inches
Material TypeAluminum
Number of Items1
SportCycling
Batteries Included?No
BrandProfile Design
Departmentmens
ManufacturerProfile Design
Item model numberACTHRCONKT18
Product Dimensions14.61 x 3.18 x 3.81 cm; 113.4 g
ASINB0028N14GQ

Have a Question? See What Others Asked

My kid lost that small base piece to his "20" Thruster Dirt DS Boys' Mountain Bike" Will this work as a replacement?
how many spacers could be fit under this adapter?
what stem size does it fit? 1" or 1 1/8"
How high can you raise the stem above the headset?

Reviews

4.5

All from verified purchases

E**G

Wrong size in packaging

It is 1"(25.4mm) -1/8 on the packaging but actual item inside is 22.2 diameter. What I needed is bigger diameter not this one that I received☹️☹️☹️

B**!

Best in its class.

Holds well, much stronger design than modern competitors, cheaper than vintage stems for old bikes.

M**T

This adapter is as described - You just have to know how bicycle steer tubes are measured

Using this on an old mountain bike to modernize the sketchy old stem. The description of a 1"-1 1/8" adapter is absolutely correct. Worked great, feels like a decent product from a reputable brand.1" refers to the OUTSIDE diameter of the existing threaded steer tube. The INSIDE of that is 22.2mm, which is the dimension of the lower part of this adapter. That's called a '1" threaded steer tube'1 1/8" is the size of the wider area at the top, where a standard threadless stem clamps.If you're not sure that this adapter is for you, take your old stem out and check the size with a set of calipers or for a size imprinted in it (22.2mm).If you are trying to adapt a 1 1/8" threaded or 1 1/4" threaded steer tube, you need a different adapter.

A**L

Material de muy buena calidad

Es excelente el material muy liviano. Tenia la duda de que si era compatible. Porque el diametro es de 22.2, pero midiendo con em vernier es 21.2, y esto ha provocado que buscara varios. Por fortuna le quedo excelente a una bici de turismo (panadera) mejorando la imagen y sobre todo al cambiar el manubrio para poder dar vueltas

K**N

Superbly made

A very high quality quill stem adapter. The machining is of a much higher level than the usual cheap Chinese adapters that cost not much less these days to be honest.

S**A

I’ve bought many of these sort of things; this is the best

I’ve bought a lot of these adapters over the years: this one is the best by far. Light; looks good; easy to use and isn’t too expensive.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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₨282

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30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Profile Design Threadless Size Converter 1 1 1 8 | Desertcart Seychelles