Kinetic Traxle T-2120 - Fine XL

Download this sizing guide and print at 100% scale to determine proper Traxle.

The Kinetic Traxle is a precision-machined replacement thru-axle for bikes that easily adapts any 12mm thru-axle system to firmly lock into bike trainer cone cups. If using the Kinetic Traxle with a non-Kinetic trainer, first measure trainer axle opening to be sure that the Traxle will fit. Kinetic trainers open wider than most other trainer brands.

The Kinetic Traxle comes in 3 thread pitches, CoarseMedium and Fine (Fine XL is a longer version of the Fine Traxle), to fit most bike brands. Unlike stock thru-axles, the Kinetic Traxle has tapered heads that stand out just far enough from the bike frame to fit into the cone cups on a trainer.

Bike frame manufacturers determine thread pitch on their frame sets. It's important to know which thread pitch your bike uses before ordering a Traxle. For instance, DT Swiss makes axles based on manufacturer specifications not a standard single thread pitch, so refer to bike manufacturer to determine which Traxle you need. 

For 12mm thru-axle systems including:

  • Santa Cruz bikes with closed dropout on the drive side
    (Requires removal of hex cap in drive side dropout)
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