Cassette material: high-resistant stainless steel Spacers & lock ring material: 6061 aluminum alloy Teeth: 13T/14T/15T16T/17T Compatible with 1/2" x 1/8" and 1/2" x 3/32" chain Compatable with HG cassette body

Cassette material: high-resistant stainless steel. Spacers and lock ring material: 6061 aluminum alloy. Total weight: 75.3g. Package Includes: 1pcs 16T cassette, 1pcs 10mm spacer, 2pcs 5mm spacer, 1pcs 3.7mm spacer, 1pcs 2mm spacer, 1pcs lock ring. Compatible with the chain width from 1/2" ×3/32" to 1/2" ×11/128". (6 speed to 11 speed chains). Compatible with Shimano or Sram 8 to 11 speed HG cassette body, mountain and road bike.

Date First Available: December 4, 2021. Best Sellers Rank: #75,419 in Sports & Outdoors. Customer Reviews: 4.4 out of 5 stars 68 ratings 4.4 out of 5 stars. : B09N1KPFTC. Part Number: ?cassettes21-bk16. Manufacturer: ?Bibike. Color: ?black 16t. Brand Name: ?Bibike. Package Weight: ?0.11 Kilograms. Item Package Dimensions L x W x H: ?4.84 x 3.9 x 1.46 inches.