Free Shipping Offer

Get free Standard Shipping with your $50 purchase today!

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.

|
|
WE'RE HIRING
Join the Team Today!
(15)

Box Helix Fixed Seat Post Clamp

Item #: QR230B03
USD$17.09 SAVE 10% USD$19.00 msrp
Choose Color
Black
Qty
Found a Lower Price?

Box Helix Fixed Seat Post Clamp

BOX Helix Fixed Seat Post Clamp

The BOX Components Helix bolt on seatclamp is a durable and lightweight alternative to add some color to your ride. The minimalist design and titanium hardware help keep this clamp lightweight at just 12g. Cold forged and CNC machined from 6061-T6 aluminum alloy, the Helix bolt on seatclamp is guaranteed to hold your seat in place and look good while doing so.

  • Cold Forged and CNC machined from 6061-T6 aluminum alloy
  • Lightweight design and Titanium hardware
  • 31.8-BX-SC130F318: 12 grams/0.42 ounces
4.7 / 5.0
15 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
12
2
0
1
0
Light, Functional, BLING!
Works great and adds a nice bit of eye-catching bling. Fits perfectly and tightens easily with no slippage. Added a bit of grease to the threads and used a torque wrench to set it. Looks great.

PROS: Attractive Design, Lightweight, Easy To Install, Durable

BEST USES: Racing, Mountain Biking
April 5, 2016
Location:
Houston, TX
Great product, well made.
Nicely made. This is not China quality junk. Exactly what I was hopeing for.
December 14, 2016
Purchased
7 months ago
Location:
Eugene,Oregon
Light and strong
Great product, fast shipping, great price. Worked very well.
July 17, 2017
Purchased
3 weeks ago
Location:
clarksville,tn
Light,solid and attractive.
Stays tight.

PROS: Easy To Install, Durable, Attractive Design, Stay Strong Tugjt, Lightweight

BEST USES: Casual Riding, Mountain Biking, Road Biking, BMX, Racing
March 20, 2015
Location:
san diego
Adds some flare
Jenson is great

PROS: Good looking
April 19, 2016
Location:
San Clemente
Unbelievable clamp!
Fast

PROS: Color Choices, Attractive Design, Lightweight, Durable, Easy To Install, GREAT PRICE

BEST USES: Upgrade, Mountain Biking
April 21, 2015
Location:
Eastvale, Ca
Brilliant understated bling
I got the gold ano. Looks better than the image! Adds 'minimalist bling' without being delicate/ too flashy.

PROS: Attractive Design, Durable, Easy To Install, Really Well Machined, Lightweight

BEST USES: Road Biking, Racing, Blinging A Black Bike, Mountain Biking, Upgrade
July 29, 2015
Location:
Maharashtra, INDIA
I will buy this clamp for my other bikes.
I wanted a non quick release clamp in red and this does the trick. This clamp holds my dropper seat post in place,is super lights and is very strong at a great price. The color looks like the picture and is an awesome accent on my black frame.

PROS: Lightweight, Great Colors, Great Clamping Power, Easy To Install, Attractive Design, Durable

CONS: NONE

BEST USES: Mountain Biking, Upgrade
August 17, 2015
Location:
Buckeye AZ
well crafted
Recieved it quickly.

PROS: Lightweight, Attractive Design
February 24, 2016
Location:
washington
light and tight
super light weight and looks good

PROS: Lightweight, Easy To Install, Durable, Attractive Design

BEST USES: Racing, Upgrade, Mountain Biking
March 16, 2016
Location:
Charleston, SC

Q & A

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question
I need a thinner seat post clamp to lower my seat post a bit. Anyone know how tall this clamp is?
Deserat on Mar 19, 2017

Jenson USA ships worldwide, including APO/FPO addresses. For a quote, simply add the items you are interested in to your shopping cart and look for the "Shipping Options" box. You don't have to login or create an account to see shipping charges.

Some manufacturers restrict where we can ship their products. If this item has shipping restrictions, they are listed below. If you'd like to buy an item that we cannot ship to your preferred address, we can accept your foreign credit card and ship to a USA address for you.

Get free shipping with your $50 purchase today when you choose Standard Shipping at checkout. Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items

Related Products
Hope Dropper Seatpost Clamp
Hope Dropper Seatpost Clamp Get a grip on ...
Hope Dropper Seatpost Clamp
Hope Dropper Seatpost Clamp
Description:
Hope Dropper Seatpost Clamp Get a grip on your dropper post control cable with the Hope Tech Seatpost Clamp! The built in cable guide system features a spherical seated fastener system that allows you to completely customize the position of ...
Kalloy SC-201 Bolt-On Seatpost Clamp
Kalloy SC-201 Bolt-On Seatpost Clamp The Kalloy 201c ...
Kalloy SC-201 Bolt-On Seatpost Clamp
Kalloy SC-201 Bolt-On Seatpost Clamp
Description:
Kalloy SC-201 Bolt-On Seatpost Clamp The Kalloy 201c is a strong extruded seatpost clamp that features a CNC groove for mountain bikes. Diameters: 28.6/ 31.8/ 34.9mm Height: 13mm Published Weight: 26g
Kalloy Xtb-N QR Seatpost Clamp
Kalloy Xtb-N QR Seatpost Clamp The Kalloy XTB-N ...
Kalloy Xtb-N QR Seatpost Clamp
Kalloy Xtb-N QR Seatpost Clamp
Description:
Kalloy Xtb-N QR Seatpost Clamp The Kalloy XTB-N is a strong 2D forged clamp that features a quick-release lever. Diameter: 28.6/ 31.8/ 34.9mm Height: 15mm Published Weight: 53g Finish: Anodized

Need Gear Advice?

Our Gear Advisors are Ready to Help

Email Specials

Sign up for our weekly newsletter delivered via email.

Keep Pedaling

Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.