We provide 3 models of Shimano bicycle Cassette(CS-HG200/HG31)/Freewheel(MF-TZ500) for you to choose, including 6/7/8/9 speeds, you can choose the style according to your needs or preferences!It will be dispatched from the United States (Kentucky or California) warehouse within 1 working day and delivered 1-5 working days.

CS-HG200:
SHIMANO TOURNEY - 7-Speed - HYPERGLIDE - MTB Cassette Sprocket
The SHIMANO TOURNEY 7-speed cassette delivers reliable shifting performance and features a rust-resistant treatment to prolong durability.
>>Smooth, light and reliable shifting performance HYPERGLIDE
>>Rust-resistant surface treatment and upgraded appearance vs CS-HG20-7
>>Gear combination: ‌‌12-28T, 12-32T
Product Specification:
Model: CS-HG200-7
Series: TOURNEY/TOURNEY TZ500
Combination: 12-14-16-18-21-24-28T (bm) | 12-14-16-18-21-26-32T (bp)
Combination name (Group name): 12-28T (bm) 12-32T (bp)
Type: HG
Compatible chain: IG/HG
Rear speeds: 7
HG spline (MTB 7-speed): ✔
Steel gear_QTY (pcs)：7
SHIMANO TOURNEY TX - 8-Speed - HYPERGLIDE - MTB Cassette Sprocket
The SHIMANO TOURNEY TX 8-speed cassette features HYPERGLIDE technology for reliable shifting performance.
>>HYPERGLIDE technology
>>8-speed (12-32T)
Product Specification:
Model: CS-HG200-8
Series: SHIMANO TOURNEY TX800
Combination: 12-14-16-18-21-24-28-32T (br)
Combination name (Group name): 12-32T (br)
Type: HG
Compatible chain: HG 8/7/6-speed
Rear speeds: 8
HG spline (Others): ✔
Steel gear_QTY (pcs)：8
SHIMANO ALTUS - 9-Speed - HYPERGLIDE - Black - MTB Cassette Sprocket
Perfect for 9-speed mountain bike drivetrains, the HG200-9 cassette offers HYPERGLIDE shifting technology and a black finish.
>>Close gear steps between primary sprockets creates smooth, comfortable pedaling
>>Quick and easy assembly with cassette sprocket cap
>>HYPERGLIDE technology
>>Ride proudly with a high-end look
Product Specification:
Model: CS-HG200-9
Series: ALIVIO M3100/ALIVIO M4000/ALTUS M2000
Combination: 11-13-15-17-19-21-24-28-32T (bo)
Combination name (Group name): 11-32T (bo)
Type: HG
Compatible chain: HG 9-speed
Rear speeds: 9
HG spline (Others): ✔
Steel gear_QTY (pcs)：9
CS-HG31:
SHIMANO ALTUS - 8-Speed - HYPERGLIDE - MTB Cassette Sprocket
>>HYPERGLIDE HG
>>8-speed (11-32T/11-34T)
Product Specification:
Model: CS-HG31-8
Series: ALTUS
Combination:
11-13-15-18-21-24-28-32T
11-13-15-17-20-23-26-34T
Combination name (Group name): 11-32T/ 11-34T
Type: HG
Compatible chain: HG 8/7/6-speed
Rear speeds: 8
HG spline (Others): ✔
Steel gear_QTY (pcs)：8
MF-TZ500:
FEATURES
>>Lightweight construction
>>Easy assembly feature
Specifications:
Model:MF-TZ500-6
Series:TOURNEY/TOURNEY TZ500
Combination:14-16-18-21-24-28T
Combination name (Group name)
Compatible chain:HG 8/7/6-speed
Type:HG/UG
Rear speeds:6
Weight:About 360g
Model:MF-TZ500-7
Series:TOURNEY/TOURNEY TZ500
Combination:14-16-18-20-22-24-28T | 14-16-18-20-22-24-34T
Combination name (Group name):14-28T | 14-34T
Compatible chain:HG 8/7/6-speed
Type:HG/UG
Rear speeds:7
Weight:About 370g/440g