Shimano Alivio CS-HG51 8 Speed 11-28t Silver Cassette brand_maxima racing oils super strong 8mm hex on

super strong 8mm hex on one end and an 8mm ball end hex on the other

13 of the holes are in 2 rows with bottle boss spacing used by many batteries

**Hostel Shoppe recommends using a specific trainer tire or a tire with a smooth tread for best performance withy trainer rollers

the anti-roll bar

but other batteries can be easily mounted

Shimano Alivio CS-HG51 8 Speed 11-28t Silver Cassette brand_maxima racing oils super strong 8mm hex onSHIMANO ALIVIO CS HG51 8 Speed Cassette The SHIMANO ALIVIO 8 speed 11 28t cassette features HYPERGLIDE technology for reliable shifting performance. Durable yet lightweight steel construction. Specifications: Cassette Body Type: Shimano SRAM 8, 9, 10 Speed Cassette Cogs: 11 13 15 17 19 21 24 28t Drivetrain Speeds: HG 8 Speed Color: Silver