10-45 /51 Cassette - 12 Speed SHIMANO MICRO SPLINE only 349 - 359 grams.

Item discription:
Shimano Hyperglide + cassette with 10-45 or 51 teeth ultra light. 12 Speed sprocket for a MICRO SPLINE freewheel hub technology. This cassette has some gear reserves with 45 (for 1-2 speed drive) or with 51 teeth (for 1 speed front chain blades) and built-in MICRO SPLINE + climbing aids is it possible to achieve a precise gear shifting.

Scope of delivery after selection:
1 x 10-45 Cassette (Picture 1+3) or
1 x 10-51 Sprocket (Picture 2+3)
1 x SHIMANO MICRO SPLINE Lockring.  
Please select your cassette right under "Gradation".

Technical data of the pinion:
10-45, about 349g - Gradation, teeth: 10-12-14-16-18-21-24-28-32-36-40-45 (ICSM9100045) or select
10-51, circa 359g - Gradation, teeth: 10-12-14-16-18-21-24-28-33-39-45-51 (ICSM9100051)
Material: 9 x Titanium, 3 x Steel with aluminum spider
Technology: HYPERGLIDE + MICRO SPLINE 
Color: Gray - black
Manufacturer: SHIMANO

Compatible groups:
SHIMANO
XTR-M9100, only for 12 speed groups