What is the diameter of this clamp?

My seat post is 27.2mm and it fitted easily. It does seem that it will fit different size posts without trouble.

What diameter seat post does this fit?

Mine is a 27.2mm and it fitted easily. It does seem it will fit a wide range of diameters without problem.

How do you attach this to the saddle rails? I've been trying to work it out for the past hour, is it really a case of forcing the middle bit to bend?

I found taking it apart and re-assembling it around the saddle rails worked for me. The bold has a square end that butts up against a round hole so it needs to be tightened a lot to grip. That all said, it has been on for 4 months now and has not budged a mm.

Saddle Lock, Black, One Size

Product ID: 71194369

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Details

Material
Coated Steel
Brand
fischer
Item dimensions L x W x H
18.5 x 8 x 4
Colour
Black
Style
Saddle clamp
Tensile Strength
1000 Pounds

🔧Tool-free saddle mounting

⚙️Adjustable tilt angle

🛡️Durable coated steel

Description

⚡ Upgrade your ride with precision and style—because your bike deserves the best!

CUSTOM COMFORT - Adjust the saddle angle precisely to your ergonomic preference for a personalized ride.
SLEEK STEALTHY - Matte black finish blends seamlessly with any bike style, elevating your ride’s aesthetic.
LIGHTWEIGHT DURABILITY - Crafted from coated steel, it balances strength with a featherlight 150g profile.
YEAR ROUND RELIABILITY - Built to withstand all seasons, ensuring your saddle stays secure come rain or shine.
EFFORTLESS INSTALLATION - Mount your saddle directly on seat posts—no brackets needed, saving time and hassle.

The Fischer Saddle Lock is a sleek, black-coated steel clamp designed for easy, bracket-free saddle mounting on seat posts. It features an adjustable angle for personalized seat tilt, weighs just 150 grams, and is built for year-round cycling durability.

Specifications

Color	Black
Size	standard size
Style	Saddle clamp
Height	1 centimetres
Item display length	1 centimetres
Item display width	1 centimetres
Material type	Coated Steel
Seasons	Year-round
Sport	Cycling
Batteries included?	No
Brand	fischer
Department	Unisex
Manufacturer	FISD6\|#Fischer
Item model number	85638
Product Dimensions	18.5 x 8 x 4 cm; 150 g
ASIN	B01HQ58OCM

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