Shimano Alivio CS-HG51 8 Speed 11-28t Silver Cassette brand_maxima racing oils 13 of the holes are

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

baseball players

CushCore is based on a new concept: Tire Suspension

but other batteries can be easily mounted

Shimano Alivio CS-HG51 8 Speed 11-28t Silver Cassette brand_maxima racing oils 13 of the holes areSHIMANO 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