Extralite BlackLock QR12 is an ultralight 12 mm rear thru axle for frames with Shimano E-Thru, Specialized X-12, Rock Shox Maxle (also Boost) and Scott standard
It's fully CNC Al 7075T6 made, machined with extra care with optimized thickness to reduce weight without loose in safety, stiffness and reliability.
It's available in black anodized color with laser etched graphics in these combinations :
- BlackLock 12.1 compatible with frames with Shimano E-Thru (12x142) rear axle standard.Total lenght 172 mm , thread lenght 18.2 mm. Thread pitch M12x1.5 mm. Weight 29 gr.
- BlackLock 12.1 B compatible with frames with Shimano E-Thru Boost (12x148) rear axle standard.Total lenght 178 mm , thread lenght 18.2 mm. Thread pitch M12x1.5 mm. Weight 31 gr.
- BlackLock 12.2 compatible with frames with Specialized X-12 (12x142) rear axle standard. Total lenght 161 mm, thread lenght 17.2 mm. Thread pitch M12x1.0 mm. Weight 29.1 gr.
- BlackLock 12.2 B compatible with frames with Specialized X-12 Boost (12x148) rear axle standard. Total lenght 166 mm, thread lenght 17.2 mm. Thread pitch M12x1.0 mm. Weight 31 gr.
- BlackLock 12.3 compatible with frames with Rock Shox Maxle (12x142) rear axle standard. Total lenght 176 mm, thread lenght 19.2 mm. Thread pitch M12x1.75 mm. Weight 29.9 gr.
- BlackLock 12.3 B compatible with frames with Rock Shox Maxle Boost 182 (12x148) rear axle standard. Totale lenght 182 mm, thread lenght 20.0 mm. Thread pitch M12x1.75 mm. Weight 30 gr.
- BlackLock 12.4 compatibie with frames with Scott (12x142) rear axle standard. Total lenght 168 mm, thread lenght 17.2 mm. Thread pitch M12x1.1 mm. Weight 28.9 gr.
- BlackLock 12.4 B compatibie with frames with Scott Boost (12x148) rear axle standard. Total lenght 172 mm, thread lenght 17.2 mm. Thread pitch M12x1.1 mm. Weight 29 gr.
If you're not sure about which kind of axle do you need for your fork, please give a look at follow picture and chart to measure your stock axle :
With weights from 29 gr. you can save up to 50 gr. from stock heavy axles!
You can lock the axle with a 6 mm hex wrench. To avoid axle torsional stress, hex wrench insert is located to the thread side.
Bronze washer assure a smooth action.
With Extralite BlackLock QR12 you can save weight and customize your bike adding a racing touch.
BlackLock QR12, is 100% Made in Italy.
