XLC SP-T21

30.90 mm
Ratings
BrandMore from XLC
Delivered between Fri, 4.9. and Thu, 10.9.
5 pieces in stock at supplier
free shipping

Diameter3

Hub5

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Product details

The XLC Dropperpost SP-T21 is a high-quality dropper seat post specifically designed for e-bikes. With a diameter of 30.9 mm and a length of 500 mm, it offers optimal adaptability for various bike models. The seat post features a travel of 170 mm, allowing for flexible height adjustment to maximize comfort and control while riding. The innovative air-oil cartridge ensures reliable and smooth operation, while the internal cable routing provides a clean and tidy appearance. The SP-T21 is not only suitable for off-road use but also meets the ISO 4210-2 standards for mountain bikes. It comes with a locking remote control and a cable installation kit, making installation and handling easier.

  • Height adjustable with a travel of 170 mm for optimal adaptation
  • Hydraulic adjustment system for reliable function
  • Suitable for e-bikes and meets ISO 4210-2 standards
  • Includes locking remote control and cable installation kit.

Key specifications

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

General information

Item number
60024812
Manufacturer
XLC
Category
Seatposts
Manufacturer No.
2502069957
Release date
9.7.2025

Colour

Colour
Black
Exact colour description
Black, 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
170 mm
Adjustment system (lowerable)
Hydraulic

Origin

Country of origin
France

Voluntary climate contribution

CO₂ emissions
2.36 kg
Climate contribution
CHF 0.11

Product dimensions

Weight
615 g
Length
500 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
  • 3.Humpert
    0.2 %
  • 3.Suntour
    0.2 %
  • 5.BBB
    0.3 %
  • 6.XLC
    1.2 %
  • 7.Kind Shock
    1.3 %

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
  • 1.Kind Shock
    7 days
  • BBB
    Not enough data
  • Contec
    Not enough data
  • Humpert
    Not enough data

Return rate

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

Source: Digitec Galaxus
  • 6.Ritchey
    8.5 %
  • 7.Sr Suntour
    8.7 %
  • 8.BBB
    9.2 %
  • 9.XLC
    10.7 %
  • 10.Kalloy
    10.8 %
Source: Digitec Galaxus