Is the inner channel (with rubber thing) required when installing this with 7x9.6 Fizik oval carbon rails?

Yes. You need the inner rubber piece.

Totally new to this so don't laugh if it's a dumb question. But do you need a post that will accommodate a 1 bolt clamp or is that irrelevant?

You will need a one bolt seat post.

What torque should be used for carbon rails...the clamp saids 12nm...wouldnt 12nm crack the rails? Thanks!

My answer will definitely be different than the others. At 12nM, the carbon rails of my saddle get a little warped and skews a little to the left, and I've more than a few bolts going to 12nM. I weight 240, and 10nM has been plenty to keep the saddle in place, and help protect my saddle rails a little more

hi, i jave a selle italian seat with a 7x9 carbokeramic rails, is this clamp compatible with the carbon rails 7x9 ?

No, this is the one for 7mm dia. alloy rails, not the tall, rectangular carbon ones like you have. Definitely don't use this one as it can damage the carbon rails.

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Ritchey WCS One-Bolt Carbon Clamp Kit

Product ID: 352487881

Details

Brand
Ritchey
Colour
Black
Item dimensions L x W x H
7.6 x 7.6 x
Material
Aluminum
Style
Utilitarian

⏱️1-minute easy install

⚙️Precision 7x9.6mm rail fit

🚴‍♂️Lightweight 45g aluminum build

€ 57.41

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Description

⚡ Upgrade your ride with precision and speed – because every second counts!

VERSATILE USE - Engineered for both MTB and road bike seatposts, adapting effortlessly to your ride
TRUSTED QUALITY - Backed by a 4.6-star rating and Ritchey’s legacy in cycling components
SWIFT INSTALLATION - Original Ritchey design ensures a perfect fit in under 60 seconds
SEAMLESS COMPATIBILITY - Fits 7x9.6mm round and oval carbon rails for Selle Italia and Fizik saddles
FEATHERLIGHT DURABILITY - Crafted from premium aluminum weighing just 45 grams for optimal performance

The Ritchey WCS One-Bolt Carbon Clamp Kit is a lightweight, durable aluminum clamp designed for 7x9.6mm round and oval carbon rails, compatible with Selle Italia and Fizik saddles. Engineered for both mountain and road bikes, it offers a swift, secure installation in under a minute, backed by Ritchey’s trusted quality and a 4.6-star customer rating.

Specifications

ASIN	B0029709IU
Best Sellers Rank	#5,913 in Sporting Goods ( See Top 100 in Sporting Goods ) #3 in Bike Stems
Brand Name	Ritchey
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (175)
Global Trade Identification Number	00796941412445
Included Components	Saddle Clamp
Item Diameter	7 Millimeters
Item Dimensions	7.6 x 7.6 x 7.6 centimeters
Item Weight	0.1 Pounds
Manufacturer	Ritchey
Manufacturer Part Number	41-260-807
Material Type	Aluminum
Model Number	41-260-807
Number of Items	1
Set Name	Single
Style Name	Utilitarian
Tensile Strength	700 Pounds Per Square Inch
UPC	796941412445
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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

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€ 57.41

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Spain.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

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

4 days ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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