- Weight: ~25g
- Axle: Al 7075 T6 CNC
- Tool: 6mm Allen on thread side
- Compatibility: See table below
- Special: Bronze self lubing washer
- Graphics: laser etched
Model Compatibility A
Total lengthB
Thread lengthC & D
Thread pitch
and diameterWeight BlackLock 12.1 Shimano E-Thru 172 18 M12x1.5 29g BlackLock 12.1 B Shimano E-Thru Boost 178 18 M12x1.5 31g BlackLock 12.2 Specialized, Syntace X-12 161 17 M12x1 29g BlackLock 12.2 B Specialized X-12 Boost 166 17 M12x1 31g BlackLock 12.3 Maxle 176 19 M12x1.75 30g BlackLock 12.3 B Maxle "Boost" 182 182 20 M12x1.75 30g BlackLock 12.4 Scott, etc (not compatible with Santa Cruz) 168 17 M12x1 29g BlackLock 12.4 B Scott Boost 172 17 M12x1 29g BlackLock 12.4 RA Scott Road 158 13 M12x1.5 27g BlackLock 12.4 RB Giant Road 163 13 M12x1.5 28g
Thread Pitch
Here a simple method to check the thread pitch of your axle with a normal vernier caliper.
Measure the total width of 4 thread "roots" as follows:
- Align caliper "jaws" with the "first" and with the "fifth" crests (4 roots).
- Total width 4mm --
- Total width 5mm --
- Total width 6mm --
Extremely light thru-axles for QR15 forks and 12mm thru axle frames.
Their unique design ensures a prefect function with a well balanced dimensions.
Available for Boost standard.
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 our 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 our wheelsets.
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- Show all items from ExtraliteExtralite is a cycling component manufacturer based in Italythat specializes in high-performance, lightweight components for road and mountain biking. The company is known for its focus on innovation and weight reduction, and its products are used by professional and amateur cyclists alike.
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