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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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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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
Batteries Included?	No
Best Sellers Rank	#53,861 in Sporting Goods ( See Top 100 in Sporting Goods ) #53 in Bike Stems
Brand	Ritchey
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (170)
Date First Available	7 August 2012
Department	Road Bike Seatposts
Height	0.75 inches
Included Components	Saddle Clamp
Is Discontinued By Manufacturer	No
Item model number	One-Bolt Adaptor Clamps
Length	4.5 inches
Manufacturer	Ritchey
Material Type	Aluminum
Number of Items	1
Product Dimensions	7.62 x 7.62 x 7.62 cm; 45.36 g
Season	Evergreen
Size	7x9.6mm
Style	Utilitarian
Weight	0.05 Pounds
Width	2 inches

Reviews

T**D

es gibt nicht viel zu sagen, sie passen perfekt und waren in 1 min angebaut - es sind ja auch originale Ritchey Zubehörteile.

12.06.2016

S**O

Perfetto e compatibili con lo scopo si possono montare selle con rail diametro 7 mm dove erano previsti quelli 7 × 9 mm

20.05.2023

J**.

Fits tall rails. Unfortunately the bolt sometimes doesn’t hold if you are on the nose of the saddle and hit a big bump. I’m only 130 lbs. be nice if the bolt was titanium as it’s pretty heavy

2.11.2024

H**N

Muy buen producto, mi bike viene con 6mm y no podia instalar algun sillin de riel de fibra de carbono

6.09.2012

D**G

Received as shown online

14.08.2025

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