OneUp Components EDC Top Cap w/ Preload Kit

Item number: 70962

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EDC Top Cap w/ Preload Kit - orange/universal
EDC Top Cap w/ Preload Kit - black/universal
EDC Top Cap w/ Preload Kit - red/universal
EDC Top Cap w/ Preload Kit - green/universal
EDC Top Cap w/ Preload Kit - purple/universal
EDC Top Cap w/ Preload Kit - blue/universal
EDC Top Cap w/ Preload Kit - gold/universal
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OneUp Components EDC Top Cap + Preload Kit - a clever solution

The OneUp Components EDC Top Cap with Preload Kit is an ideal solution for those who want to store the |title=EDC Tool V2 tool%} in the steerer tube but are reluctant to thread it. It contains an EDC-compatible Top Cap, headset Preloader, headset spacers (40 mm in total) and an EDC Steerer Plug. With the Top Cap you have the choice between seven attractive colours. The reason why so many Enduro World Series Pro riders use the OneUp EDC Tool in the event of a mechanical is because this tool set is right there and contains everything you need. OneUp Components wanted to benefit even more riders - including those with steel and carbon fork steerer - and developed this solution to do so.
Important: The whole thing works only with the OneUp stem. This is because it has a recess on the underside of the body into which the Preload Kit is inserted, whereby you adjust the preload via a third screw on the fork steerer clamp. The Preloader consists of a conical split wedge clamp with clamp bolt and nut, which is connected to a conical headset spacer. When you tighten the bolt on the back of the stem, the Preloader closes, the internal cone is tightened and the conical headset spacer is pushed down away from the stem, which preloads the headset.


Application: All Mountain, Enduro

Technical Information:

Material: aluminium


Headset Top Cap:
- 1 1/8" steer tubes

Steerer Plug:
- 1 1/8" - 1.5" tapered steerer tubes

Preload Kit:
- special compensating spacers for clip-on mounting on the stem (included in delivery)
- commercially available spacers can be used under the stem
- only works with OneUp stems

Storing the EDC tool in the steerer tube without threading:
Important note in advance:
- All compatibility information and installation instructions are exclusively from OneUp Components. Using the EDC Tool System (V2) on your bike may void the original manufacturer warranty.

Steerer tube:
Shape: 1 1/8" - 1.5" tapered
Steerer Tube Length: 183 - 230 mm
Minimum diameter: 22.1 mm
Recommended Steerer Tube Diameter (max.): 31.75 mm - 34.00 mm

Please make sure that your fork meets the above criteria before purchasing, as it is possible that the EDC Steerer Plug will not fit your fork. Its installation is not absolutely necessary.

How to use the Preload Kit:

Additionally required:
- 35 Stem


- saves thread drill in the steerer tube for stowing the EDC V2 tool
- preloads the headset in combination with the headset cap, replaces the Ahead star nut

Colour Index:

To colour refers to the EDC Top Cap.

Manufacturer Part Numbers:

black: 1C0588BLK
blue: 1C0588BLU
gold: 1C0588GLD
green: 1C0588GRN
orange: 1C0588ORA
purple: 1C0588PUR
red: 1C0588RED


- 1 x OneUp Components top cap
- 1 x OneUp Components Preload Kit w/ bolt and locknut
- 2 x OneUp Components EDC 5 mm spacers for clip-in mount on stem
- 2 x OneUp Components EDC 10 mm spacers for clip-in mount on stem
- 1 x OneUp Components steerer plug


in stock 2 to 7 days up to 10 days Out of stock inform me
  • black/universal
  • gold/universal
  • red/universal

Customer Reviews (1)


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Customer Reviews (1)


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by Tobias L.  on 12.02.2021
verified purchase
1 of 1 customers found this review helpful.

Die Teile des Preload Kit sind gut verarbeitet und wiesen keine Mängel auf.
Die Montage, mit Zuhilfenahme der Anleitung, verlief zügig und war leichter als anfangs gedacht. Nach gut 10 Minuten war der Vorbau montiert und wollte zum Abschluss dann noch die Plastikkappe, die das EDC V2 Tool vor Dreck und Wasser schützt, in das Steuerrohr drücken.
Da ich aber eine neue Fox 38 Federgabel besitze und diese im unteren Bereich des Steuerrohrs Elliptisch ist, passte die Plastikkappe nicht ohne weiteres. Erst nach dem teilweise entfernen der Lamellen, passte die Kappe rein und sitzt seitdem Bombenfest.

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