Seat Post Clamps

Seat Post Clamps, bolts, spares. Seat Post Shims are listed in their own page.

Giant Seat Clamp MTB Composite
+
1008
!
Wide, 2-bolt seat clamp to suit Giant Carbon/Composite frames.

Internal Diameter: 34mm. Clamp Width: 19.5mm. 4mm allen head stainless M5 bolts. Weight: 21g.

Giant Seat Clamp Alloy Defy/Avail/TCR
+
1339
!
Twin bolt alloy seat clamp to suit various Giant road bikes.

Internal Diameter: 35mm.

Weight: 31g.

Pro Seat Clamp 28.6mm
+
67103
!
28.6mm inside diameter of clamp.
Weight: 22g.

Pro Seat Clamp 31.8mm
+
2871
!
31.8mm inside diameter of clamp. Black.
 Weight: 25g.

Pro Seat Clamp 34.9mm
+
67113
!
34.9mm inside diameter of clamp.
 Weight: 27g.

Pro Seat Clamp QR 28.6mm
+
67130
!
A quality quick release seat clamp.

Internal diameter 28.6mm (to suit frame seat tube external diameter 28.6mm).

Shipping Weight: 100g.

Pro Seat Clamp QR 31.8mm
+
67131
!
A quality quick release seat clamp.

Internal diameter 31.8mm (to suit frame seat tube external diameter 31.8mm).

Shipping Weight: 100g.

Pro Seat Clamp QR 34.9mm
+
2186
!
A quality quick release seat clamp.

Internal diameter 34.9mm (to suit frame seat tube external diameter 34.9mm).

Shipping Weight: 100g.

Saddle Clip Black
+
0234
!
It's the humble old-fashioned saddle clip for holding a bicycle saddle on a post.
Suits post top 22.2mm (universal among seat posts that use a separate clip). Weight: 148g.

Saddle Clip Silver
+
0979
!
Old-school (and cheap-school) saddle clip with zinc finish.
Weight: 162g.

Seat Bolt 45mm
+
67201
!
Seat Pillar Bolt 55mm
 Weight: 24g (40mm).

Seat Bolt 55mm
+
67202
!
Seat Pillar Bolt 55mm
 Weight: 24g (40mm).

Seat Bolt Allen 19mm
+
67219
!
Shipping Weight: 20g.

Seat Bolt Allen 22mm
+
67222
!
Shipping Weight: 20g.

Seat Bolt Allen 25mm
+
67225
!
Shipping Weight: 20g.

Seat Bolt QR 6mm
+
2575
!
6mm thread. Weight: 37g.

Seat Bolt QR 8mm
+
67231
!
Suits bikes designed for an 8mm seat bolt.

Bolt length (closed position): 50mm.

Weight: 110g.

Seat Clamp Alloy Black 25.4mm
+
67108
!
seat clamp alloy black 254
25.4mm diameter seat clamp for retro BMX bikes with 22.2mm seat pillar.

25.4mm internal diameter. No lip - 25.4mm straight through.

Weight: 47g.

Seat Clamp With Rack Mounts 28.6mm
+
0954
!
Brilliant idea! This makes some of our earlier inventions redundant. This gives somewhere to mount a luggage rack on bikes that don't have upper eyelets on the frame for that purpose.
Weight: 41g.

Seat Clamp with Rack Mounts 31.8mm
+
67106
!

Brilliant Idea! This makes some of our earlier inventions redundant. This gives somewhere to mount a luggage rack on bikes that don't have upper eyelets on the frame for that purpose.

Shipping Weight: 100g.

Seat Clamp with Rack Mounts 34.9mm
+
2826
!

Brilliant Idea! This makes some of our earlier inventions redundant. This gives somewhere to mount a luggage rack on bikes that don't have upper eyelets on the frame for that purpose.

Shipping Weight: 100g.

Thomson Seat Clamp Black 28.6mm
 
+
1063
!
High quality Thomson seat clamp made in the USA. 28.6mm inside diameter of clamp. Black.
Weight: 25g