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Extralite Black Lock QR12 Boost

Model
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Thru Boost Stock available
€65.83
Maxle Boost Stock available
€65.83
Scott Boost Sold out
€65.83
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Scott Spark (from 2022) Stock available
€65.83
Description

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) - 30gr (Scott Spark)

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)


Scott Spark Specs :
-total length (from under axle head to end of thread) : 178mm
-Thread length: 13.5mm
-Head shape: flat
-Thread type: M1 (i.e. 10 threads have a 10mm 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)

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Product Details
SKU-2241-04

Specific References

MPN
ASL1me1
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