Bike Seatposts & Bicycle Seat Post Components

AL6061-T6 alloy quick-release seatpost clamp
Stainless steel bushing ensures smooth lever action
Adjustment knob allows for on-the-fly fine-tuning
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á28.6mm for ??á25.4mm seatpost and steel frame
??á29.8mm for ??á27.2mm seatpost and chromoly frame
??á31.8mm for ??á27.2mm seatpost and aluminum frame
??á34.9mm for ??á30.9mm seatpost and aluminum frame, or ??á31.6mm seatpost and carbon frame
16mm height

Anodized or Powder Coated finish
Seat clamp allows for secure clamping
Forged alloy construction

Bolt on anodized alloy seatpost clamps to add a little style to your ride or replace an old scuzzy one
Available in classic black and silver as well as gold for a bit more bling

Seat clamp with extra leverage design
Black anodized and machined
Seat clamp with extra long quick release lever for added clamping force

Bolt on anodized alloy seatpost clamps to add a little style to your ride or replace an old scuzzy one
Available in classic black and silver as well as gold for a bit more bling

Anodized or Powder Coated finish
Seat clamp allows for secure clamping
Forged alloy construction

AL6061-T6 alloy seatpost clamp with CNC machined cut-outs
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á29.8mm for ??á27.2mm seatpost and chromoly frame
??á31.8mm for ??á27.2mm seatpost and aluminum frame
??á34.9mm for ??á30.9mm seatpost and aluminum frame, or ??á31.6mm seatpost and carbon frame
16mm height

Bolt on, CNC machined 6061-T6 aluminum seat post clamp
Stainless steel hardware
31.8mm inner diameter
Available in multiple anodized colors to match your whip

AL6061-T6 alloy quick-release seatpost clamp with CNC machined cut-outs
Stainless steel bushing ensures smooth lever action
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á29.8mm for ??á27.2mm seatpost and chromoly frame
??á31.8mm for ??á27.2mm seatpost and aluminum frame
??á34.9mm for ??á30.9mm seatpost and aluminum frame, or ??á31.6mm seatpost and carbon frame
16mm height

Alloy 1-1/8` seatpost clamp
Double clamp design for extra holding power on BMX bikes

Forged AL6061-T6 alloy construction with CNC groove design
Machined insert for even clamping force
For use with carbon seat posts

AL6061-T6 alloy seatpost clamp
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á28.6mm for ??á25.4mm seat post and steel frame
??á29.8mm for ??á27.2mm seat post and chromoly frame
??á31.8mm for ??á27.2mm seat post and aluminum frame
??á34.9mm for ??á30.9mm seat post and aluminum frame, or ??á31.6mm seat post and carbon frame
16mm height

AL6061-T6 alloy quick-release seatpost clamp
Stainless steel bushing ensures smooth lever action
Adjustment knob allows for on-the-fly fine-tuning
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á28.6mm for ??á25.4mm seatpost and steel frame
??á29.8mm for ??á27.2mm seatpost and chromoly frame
??á31.8mm for ??á27.2mm seatpost and aluminum frame
??á34.9mm for ??á30.9mm seatpost and aluminum frame, or ??á31.6mm seatpost and carbon frame
16mm height

Bolt on anodized alloy seatpost clamps to add a little style to your ride or replace an old scuzzy one
Available in classic black and silver as well as gold for a bit more bling

Forged AL6061-T6 alloy construction
Rubber weather seal repels contaminants
High-leverage 68mm QR lever

Anodized or Powder Coated finish
Seat clamp allows for secure clamping
Forged alloy construction

The all new Thudbuster is now able to support riders up to 330lbs and incorporates a tool free, interchangeable elastomer system to quickly and easily adjust the seat post for a variety of rider weights
Designed specifically with the rigors of e-bikes and daily commuting in mind, the new Thudbuster ST includes 50mm of travel to significantly diminish shocks and impacts
Installing and adjusting the seat on the new Thudbuster is easier than ever with a single bolt design that secures the seat with a few turns of a standard hex tool
Medium firm elastomer pre-installed from the factory - soft and firm elastomers included

Mount a rack to any bike with this lightweight adapter that adds two M5 rear threaded eyelets to the seatpost
Perfect for retro fitting a rear rack to turn any bike into a Trekk ready machine

Forged AL6061-T6 alloy construction
Rubber weather seal repels contaminants
High-leverage 68mm QR lever

AL6061-T6 alloy quick-release seatpost clamp with CNC machined cut-outs
Stainless steel bushing ensures smooth lever action
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á29.8mm for ??á27.2mm seatpost and chromoly frame
??á31.8mm for ??á27.2mm seatpost and aluminum frame
??á34.9mm for ??á30.9mm seatpost and aluminum frame, or ??á31.6mm seatpost and carbon frame
16mm height

Bolt on, CNC machined 6061-T6 aluminum seat post clamp
Stainless steel hardware
31.8mm inner diameter
Available in multiple anodized colors to match your whip

Box One QR seat clamps are cold forged and CNC machined from 6061-T6 aluminum alloy
A quick release lever makes adjusting your seat height quick and easy
Weighing just 28 grams in the 31.8 size, it is as lightweight as it is tough
The head of the quick-release lever and the face of the clamp are given a proprietary zero friction surface treatment that ensures smooth lever action for the life of the clamp without the need for a bushing
Titanium hardware

CNC machined AL6061-T6 alloy construction
Dual bolt design securely holds and evenly spreads clamping force across both seat tube and seatpost
Ideal for use with dropper posts and problematic standard seatposts
Carbon frame and seatpost friendly
22mm height

AL6061-T6 alloy quick-release seatpost clamp
Stainless steel bushing ensures smooth lever action
Adjustment knob allows for on-the-fly fine-tuning
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á28.6mm for ??á25.4mm seatpost and steel frame
??á29.8mm for ??á27.2mm seatpost and chromoly frame
??á31.8mm for ??á27.2mm seatpost and aluminum frame
??á34.9mm for ??á30.9mm seatpost and aluminum frame, or ??á31.6mm seatpost and carbon frame
16mm height

AL6061-T6 alloy seatpost clamp with CNC machined cut-outs
Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts
??á29.8mm for ??á27.2mm seatpost and chromoly frame
??á31.8mm for ??á27.2mm seatpost and aluminum frame
??á34.9mm for ??á30.9mm seatpost and aluminum frame, or ??á31.6mm seatpost and carbon frame
16mm height

Bolt on, CNC machined 6061-T6 aluminum seat post clamp
Stainless steel hardware
31.8mm inner diameter
Available in multiple anodized colors to match your whip

Seat clamp with extra leverage design
Black anodized and machined
Seat clamp with extra long quick release lever for added clamping force

Alloy 1-1/8` seatpost clamp
Single bolt

Completely re-designed for increased durability, additional suspension travel, as well as ease of use through tool free elastomer change and a single bolt seat clamp design
Medium firm elastomer pre-installed from the factory - extra soft, soft, firm, and extra firm elastomers sold separately
Pivots are threaded, serviceable, hard anodized aluminum axles with PTFE bushings
5mm setback (unweighted)