• Azonic

    Azonic sells bicycle seat clamps.  They offer a quick release clamp that is constructed of 7075 aluminum.  It is available in sizes 28.6mm, 29.8mm, 31.8mm, 34.9mm.
  • Atomlab

    Atomlab manufactures seat clamps for bicycles.  The general issue clamp they offer is constructed of CNC'd 6061 aluminum and it's 28.6MM ID fits the Atomlab frame and comes in an anodized black finish.
  • Raleigh

    Raleigh offers quick release and fixed seat clamps.   The quick release clamp has a fixed bolt included for rider preference.  The clamps are made of a lightweight alloy.
  • Salsa Cycles

    Salsa Cycles manufactures seat clamps for bicycles.  They offer the Flip-Lock, which is a quick release clamp, and the Lip-Lock.  Both come in a variety of sizes to include 28.6, 30.0, 30.6, 32.0, 35.0 or 36.4mm.  
  • ExtraLite

    Extra Lite manufactures bicycle seat clamps made from 7075 T6 aluminum. 
  • USE

    USE manufactures bicycle seat clamps.  The secondary inner ring can be positioned so that the slot does not line up with the slot on your frame's seat tube.  It is available in two sizes, 31.8mm and 34.9mm. 
  • Hope

    Hope manufactures bolt and quick release bike seat clamps.  The black is available in 28.6, 30.0, 31.8, 34.9, 36.4, 38.5mm for both bolt and quick release while the blue, gold, gunsmoke, red and silver bolt comes in sizes 28.6, 30.0, 31.8, 34.9, 36.4mm and the quick release is available in sizes 28.6, 30.0, 31.8, 34.9, 36.4, 38.5mm. 
  • Identiti

    Identiti manufactures bicycle seat clamps in bolt style and quick release style.  The bolt seat clamp features forged 6000 series alloy clamp and pivoting Cr-Mo bolt.  The quick release features forged 6000 series alloy clamp, forged and slotted alloy lever, low friction nylon insert and low profile knurled adjuster.  Both are available in four sizes.
  • Control Tech

    Control Tech manufactures bike seat clamps in bolt or quick release styles.  The Comp SC for road bikes is available in diameters of 31.8mm and 34.9mm and made from carbon fiber.  Their quick release clamps are MTB seat clamps.  They are forged from 2014 aluminum, has a stainless steel axle and also available in sizes 31.8mm and 34.9mm.
  • Deity

    Deity manufactures bicycle seat clamps.  Deity's The Choker is machined from 6061 T6 aluminum, has an over sized bolt for increased clamping power and available in 31.8mm and 34.9mm sizes. 
  • Kalloy UNO

    Kalloy UNO manufactures bicycle seat clamps of various sizes and intended uses.  All finishes are anodized.  Sizes available depend on the model, as small as 25.4mm and up to 34.9mm.
  • Profile Racing

    Profile Racing offers a variety of bicycle seat clamps.  The Slim Jim seat clamp comes in many colors, is machined from 6061 aluminum with a crome moly bolt and available in sizes 25.0mm (1") for mini frames, 28.6mm (1 1/8") for most BMX frames, and 31.8mm (1 1/4") for over sized aluminum frames.
  • Syntace

    Syntace manufactures a quick release seat clamp for bicycles.  The Superlock features an extra-long, ergonomic 3D lever, including a self-locking adjustment nut.  Clamp and lever are made of high-strength 7050 aluminum, shot-peened and anodized. 
  • Ciari

    Ciari manufactures bicycle seat clamps.  Available in black or Ti anodized polished finish, it is constructed of 6061 aluminum.  The seat clamps come in two sizes, 28.6mm and 31.8mm.
  • Crupi

  • Madera

    Madera manufactures seat post clamps for bicycles.  They are machined from 6061 aluminum and anodized in black. They are available in 28.6.
  • MCS Bicycles

    MCS Bicycles manufactures bicycles seat post clamps.  They offer both bolt and quick release styles.  The bolt style comes in three sizes, 1", 1 1/8" and 1 1/4" and colors red, blue, black and silver.  Their quick release comes in black and is available in sizes 1 1/8" and 1 1/4". 
  • Morphine Industries

    Morphine Industries manufactures bicycle seat post clamps.  They are CNC’d from 6061 T6 heat-treated aluminum, comes in sizes 1", 1 1/8" and 1 1/4" and colors black, red and blue. 
  • Interloc

    Interloc manufactures bolt and quick release bicycle seat clamps.  Both versions are CNC-machined aluminum construction, have a stainless steel bolt, available in sizes 28.6, 30.0, 31.8, 34.9mm and colors black, silver, blue, and red anodized finish.
  • DKG

    DKG manufactures bicycle seat post clamps.  They offer both bolt and quick release versions.  The Flip Lock seat clamp utilizes an ergonomically inspired lever shape.  The mountain bike clamps use a 6mm bolt which supplies the strength needed to keep your saddle where it belongs.  The road bike clamp is scaled down from the mountain bike clamp and uses a 5mm bolt.  All models are available in several sizes and in colors black and silver.
  • Woodman

    Woodman Components manufactures bicycle seat post clamps.  They have both bolt and quick release models.  The Death Grip QR is their quick release version forged of 6061 T6 aluminum alloy. Sizes and colors available include 28.6, 29.8, 31.8, 34.9mm. and silver, pewter, red, blue and black with laser-etched logo.  The SL series is a lightweight clamp available in sizes 31.8, 34.9 and 36.6mm.  The original Death Grip is forged of 6061 T6 aluminum alloy with stainless steel screws.
  • Supercross

    Supercross manufactures bicycles seat post clamps.  They are made from a CNC machined piece of billet aluminum.   Available in 3 sizes, 1" to fit most of the current mini frames and all old school BMX bikes, 1 1/8" to fit most Cro-mo Race and Dirt/Street frames, and 1 1/4" to fit most aluminum race frames.  A variety of colors available include silver, black, blue, gold, pink and new red.