Easton EC70 Zero Seatposts

3.4/5 (5 Reviews)
MSRP : $130.00


Product Description

The EC70 zero-offset seat post is a carbon-fiber work of art. Easton's cutting-edge CNT-composite technology sets the new standard for light weight and strength in composite components.


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Reviews 1 - 5 (5 Reviews Total)

User Reviews

Overall Rating:1
Value Rating:1
Submitted by weekendroadie a Road Racer

Date Reviewed: March 7, 2011

Strengths:    Looks good, clamping area solid around
seat post rails


Weaknesses:    Post undersized having to overtighten and
possible frame damage.


Bottom Line:   
Easton's relief at the back of post combined with what seems like an undersized post for a 31.6mm. I had to really snug up post to tight up to keep from moving and my BMC Sl01 and the frame
broke at seatpost area from over tighting. Never had a problem until I tried this post and had the same problem
with post moving on other frames as well

Expand full review >>

Favorite Ride:   No traffic

Price Paid:    $70.00

Purchased At:   Jensen

Similar Products Used:   Deda, specialized, aerus, cheap factory
direct posts that work better than easton posts.




Overall Rating:5
Value Rating:4
Submitted by patmac a Recreational Rider

Date Reviewed: March 15, 2009

Strengths:    Light, strong, good looking, easy to adjust tilt

Weaknesses:    Did I pay 10% of the bike's original price to replace the carbon seatpost with a carbon seatpost?

Bottom Line:   
I have experienced zero slip on my Giant. Great blend of comfortable and lightweight. I have a more comfortable carbon post, but this one is just less than 2/3 of the weight.

Expand full review >>

Price Paid:    $130.00

Purchased At:   Bike World

Similar Products Used:   OEM Bontrager, OEM Giant CF

Bike Setup:   OCR limited, Neuvation R28's


Overall Rating:5
Value Rating:3
Submitted by nullpointers a Recreational Rider

Date Reviewed: August 9, 2008

Strengths:    Matches my other easton bits. Light. Strong.

Weaknesses:    Have not ran into any yet other than the obvious one of price...you are definitely paying a premium here for relatively little impact on your ride.

Bottom Line:   
I have nothing but good to say about this seatpost. Was going to buy the ec90 but kept reading about the carbon clamp breaking down under heavier riders...Decided to go with this as I weigh 185. Could not be happier. The clamping mechanism works very well and allows any angle of adjustment I need. The seatpost does not slip for me at all as a previous reviewer complained of. Works perfect. Very light after I chopped it down :)

Expand full review >>

Favorite Ride:   any with hill

Price Paid:    $100.00

Purchased At:   LBS

Similar Products Used:   USE Alien, Specialized S Works, Cannondale C2, etc..

Bike Setup:   poser catcher


Overall Rating:5
Value Rating:3
Submitted by poolorpond a Recreational Rider

Date Reviewed: June 24, 2008

Strengths:    weight

Weaknesses:    cost

Bottom Line:   
Never had the problem of falling into the tube. It seems like easton overbuilt the aluminum top cap to bump the weight to discriminate from the ec90, which irritates me a little. But, I guess that is how we get the opportunity to buy this caliber of post for considerably less than the ec90. Overall this thing is strong and light. Absorbs shock. Finish sucks but can't take off points for cosmetics. Expensive, but thats the price a weight weenie must pay.

Expand full review >>

Price Paid:    $90.00

Purchased At:   ebay

Similar Products Used:   junk

Bike Setup:   ted wojcik w/ nixon superintrinsic- I really need a setback post for this setup.


Overall Rating:1
Value Rating:3
Submitted by guaps a Road Racer

Date Reviewed: August 23, 2007

Strengths:    Weight

Weaknesses:    Can't get it to stay put. Slips very easily.

Bottom Line:   
I bought this post and used it on 4 rides of about 25 miles each. The first ride, I installed it and tightened it by hand (no torque wrench). By 8 miles into the ride the post had slipped all the way down into the seat tube. The next day, I had a bike fitting and the fitter tightened the seat post - went for a ride and 10 miles in, the post slipped all the way down again. Bought a torque wrench, tightened to specified torque. This time it didn't slip as fast - only slipped 2 cm after 25 miles. Same thing on fourth ride. No grease in my seat tube (as recommended) and the bike shop even tried once. I'm now using a FSA seat tube that works perfect.

Expand full review >>

Price Paid:    $99.00

Purchased At:   LBS

Similar Products Used:   FSA, Thompson

Bike Setup:   Lapierre Xlite 990



Reviews 1 - 5 (5 Reviews Total)

Review Options:  Sorted by Latest Review | Sort by Best Rating


Easton EC70 Zero Setback Performance NEW FOR $59.99, thoughts?

I am looking for a new seat post and was going to get another 3 T Doric Team until i saw this deal from Performance, anybody have this or able to give me a review? Easton EC70 Zero Setback 400mm Seatpost -- CloseoutRead More »

Fulcrum Zero vs Kisirium SL vs EC70??

I am trying to find a new set of wheels for my Cervelo R3. I am 6' 2" and about 170lbs. I am planning on doing my first season of road racing this coming summer. I have a budget of $1000. I want a clincher I can train and race on. I am trying to decide between Mavic Kysirium SL, Fulcrum Raci ... Read More »

Easton EC70 Zero Setback Seatpost?

Anyone using a zero setback seatpost, and the Eston ec70? I think I am going to put it on my 50cm Madone because the seat is riding at the back of the rails (pushed all the way forward. Am I doing the right thing?Read More »

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