Shimano Altus 8 Speed CS-HG31 11-34t Cassette Bike Accessories_Mirrors Stack two blocks to simulate

Stack two blocks to simulate climbing workouts

rim brakes remain a popular choice for their simplicity

Keep going

1459 AXLE FIXING METHOD 12mm E-Thru NUMBER OF SPOKES 24 SPEEDS HG spline L2 (ROAD 12-speed dedicated)

Shimano Altus 8 Speed CS-HG31 11-34t Cassette Bike Accessories_Mirrors Stack two blocks to simulateShimano CS HG31 8 Speed cassettes feature Hyperglide technology for reliable shifting performance and zinc phosphate coated steel gears for added corrosion resistance. Hyperglide technology provides smooth shifting Phosphate coated steel gears and lockring Compatible with Shimano HG and IG chains Drilled cogs reduces weight 8 speed Megarange Color: Black Cassette Body Type: Shimano SRAM 8, 9, 10 Speed Drivetrain Speeds: 8 Defined Color: Black Cassette