Bolany 10s Speed Cassette 10s 11-50t

Bolany 11 13 16 20 24 28 32 36 42 50t 580g (red body and red cap)

Brand second hand . This item is exactly as pictured

Compatible with SHIMANO and SRAM 10 speed groupset
Use it with a 4 tooth bigger chainring to get more top end without sacrificing your low gears.
Optimized gear combination and gear ratio
Shave bike weight off without sacrificing durability or reliability
Optimal balance of lightweight and durability
Aluminum body
Combination of aluminum and steel gears
Bigger chainring to expand your gear range both ways
Use it with the same size chainring to climb anything