Extralite Black Lock QR12 Boost
  1 review

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Combinations Price quantity Add to cart
Thru Boost

Available

79,00 €
Maxle Boost

Available

79,00 €
Scott Boost

Available

79,00 €
 
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The world’s lightest 12mm skewer

A new way to Block

- W
eight: 30g
- Rear skewer, for 12mm axle
- Axle: Al 7075 T6 CNC
- Special: Bronze self lubing washer
- Graphics: laser etched
- Extremely light thru-axles
- Weights: 30gr (Maxle)

Their unique design ensures a prefect function with a well balanced dimensioning.
The notched area of the thread get reinforced by the allen groove and locking/tightening forces do not affect the axle with useless torsional stress.
Machined with Extralite usual Extra-care, makes you save up to 50g!
The bronze washer adds a smooth action, a tricky nice touch.
Black Lock are supplied separately from Extralite wheelsets.

100% made in Italy

Maxle Boost Specs :
-total length (from under axle head to end of thread) : 182mm
-Thread length: 20mm
-Head shape: flat
-Thread type: M1.75(i.e. 10 threads have a 17.5mm length)

Ethru Boost Specs :
-total length (from under axle head to end of thread) : 178mm
-Thread length: 18.3mm
-Head shape: flat
-Thread type: M1.5 (i.e. 10 threads have a 15mm length)


Ethru Boost Specs :
-total length (from under axle head to end of thread) : 173mm
-Thread length: 17mm
-Head shape: flat
-Thread type: M1 (i.e. 10 threads have a 10mm length)

Product Reviews
  • Number of Reviews : 1
  • Average Grade : 5 /5
  • J. Marc
  •  the 29/06/2017
  • 5/5
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