Schmolke / Seatpost SL

Seatpost SL

from: 295,00

diameter: 27,2/30,9/31,6/34,9 mm
weight: e.g. 350/31,6mm 91 g

SKU: N/A Categories: , ,
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All SL (superlight) carbon seatposts are handmade in Germany. The head clamps the saddle’s rails in twelve places, hence even vulnerable carbon saddle rails are not unduly stressed. The head with its 6 mm Ti6Al4V titanium bolts is strong enough even for the toughest MTB ride.

The actual tube’s highest stressed sections consists of up to 19 layers of extremely thin carbon fibre prepreg, while its less stressed sections are sufficiently strong with as little as 10 layers. Unfortunately this is a complicated design, to complicated for cheap Asian production. Seatpost built to a price in China as a rule come with constant wall-thickness. This makes production easy, it also makes the resulting seatpost heavier than necessary. Seatposts in particular require hundreds and hundreds of destruction tests to arrive at the lightest possible solution for every length and diameter without sacrificing the final products strength. We do of course also include rider’s weight into our design equations; light riders don’t need to carry the extra weight of a standard seatpost designed for a user much heavier than they are.


Our carbon seatposts are reinforced where they are stressed by the seat clamp, hence their range of adjustment is limited. Do not buy a long seatpost to cut it to size. We want to adjust strength and length of your seatpost to your requirements as good as possible; hence we need the seatpost length as measured from the top of the frame to the middle of the saddle’s rails. Longer seatposts require more raw material, therefore we have to charge 350 € for the posts longer than 320mm.

All Schmolke Carbon seatposts are unpainted to avoid unnecessary weight.

Weights and sizes of our standard seatposts

(custom made lengths of 150-400 mm may be even lighter)

Total length in mm 250 
350 400
Minimum insert in mm
Length outside the frame in mm
Weight ø27,2 for road
90 g
92 g
96 g
102 g
Weight ø30,9 for road
92 g
94 g
98 g
106 g
Weight ø31,6 for road
93 g
95 g
99 g
107 g
Weight ø27,2 for MTB
95 g
97 g
101 g
110 g
120 g
Weight ø30,9 for MTB
100 g
104 g
106 g
115 g
125 g
Weight ø31,6 for MTB
103 g
105 g
109 g
118 g
128 g
Weight ø34,9 for MTB
108 g
110 g
114 g
122 g
131 g


Download instruction manual SL seatpost road

Download instruction manual SL seatpost MTB

Additional information

Weight 100 g
Dimensions 70 × 10 × 10 cm

34,9 mm, 30,9 mm, 31,6 mm, 27,2 mm


190 mm, 200 mm, 250 mm, 280 mm, 300 mm, 350 mm, 400 mm

Type of bike

MTB, Roadbike

Rider weight

up to 75 kg, 76 to 95 kg, 96 to 110 kg


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