XLC SP-T21

30.90 mm
Ratings
BrandMore from XLC
Delivered between Fri, 15.5. and Wed, 20.5.
More than 10 pieces in stock at supplier
free shipping

Diameter3

Hub5

Product details

The XLC Dropperpost SP-T21 is a high-quality dropper seat post designed for use on e-bikes. With a diameter of 30.9 mm and an overall length of 565 mm, it offers a travel length of 200 mm, allowing for flexible adjustment of the seat height. This seat post features internal cable routing, ensuring a clean and tidy installation. The oil-air cartridge provides reliable functionality and smooth lifting and lowering of the post. The SP-T21 is not only lightweight but also robust, meeting the ISO 4210-2 standards for mountain bikes. It is suitable for riders with a minimum weight of 50 kg and comes with an SP-X23 locking remote control and a cable installation kit, making installation and use easier.

  • Internal cable routing for a clean installation
  • Flexible and reliable oil-air cartridge system
  • Approved for use on e-bikes
  • Includes SP-X23 locking remote control
  • Meets ISO 4210-2 MTB standards.

Key specifications

Material
Aluminium
Seat post category
Lowerable seat posts
Bike area of use
Electric bike, Mountain bike
Hub
200 mm
Weight
615 g
Length
565 mm
Diameter
30.90 mm

General information

Item number
60024813
Manufacturer
XLC
Category
Seatposts
Manufacturer No.
2502069958
Release date
9.7.2025

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Metal
Material
Aluminium

Seatpost properties

Seat post category
Lowerable seat posts
Bike area of use
Electric bike, Mountain bike
Setback
0 mm
Mounting Lever
Neutral
Hub
200 mm
Adjustment system (lowerable)
Hydraulic

Origin

Country of origin
France

Voluntary climate contribution

CO₂ emissions
3.37 kg
Climate contribution
CHF 0.11

Product dimensions

Weight
615 g
Length
565 mm
Diameter
30.90 mm

30-day right of return
24 Months Warranty (Bring-in)
2 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Seatposts» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 4.Humpert
    0.1 %
  • 5.BBB
    0.2 %
  • 6.Kind Shock
    0.7 %
  • 7.XLC
    1 %
  • 8.RockShox
    2.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • XLC
    Not enough data
  • BBB
    Not enough data
  • Humpert
    Not enough data
  • Kind Shock
    Not enough data
  • M-Wave
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Seatposts» category returned?

Source: Digitec Galaxus
  • 4.Humpert
    7.5 %
  • 4.Kind Shock
    7.5 %
  • 6.Suntour
    7.9 %
  • 7.BBB
    8.9 %
  • 8.XLC
    9.2 %
Source: Digitec Galaxus