Cassettes/Freewheels

- MODEL NO: CS-HG400-9 - SERIES: SHIMANO ALIVIO M4000 Series - Compatible chain: HG 9-speed - Speeds: 9-speed - Type: HG

Dimension Steel Cogs are splined for BMX and singlespeed hub compatibility. - Steel with chrome finish - Cogs are splined for Shimano BMX and singlespeed hub compatibility - Compatible with 1/2-inch and 1/8-inch chains

When it's time to replace your 9-speed cassette, check out SRAM's PG-950 cassette. It delivers solid shifting and durability ride in and ride out for your 9-speed rig.

SRAM's PG-1030 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette is available in four configurations perfect for riding off road, including one with a 36-tooth largest cog for super-easy climbing.

Sometimes less is more. With the 10-speeds, an 11-48T range, and evenly spaced gear steps, the ADVENT X cassette allows riders to shift less often to find the right gear, while still having enough range to ride what they want. Fewer cogs also means less weight and a wider chain for better mud shedding. It even fits on standard 10-speed freehub bodies so you don't need to buy new wheels for no reason. In short, it's everything you want in a high-end drivetrain. - Two alloy large cogs and a full alloy spider eliminate unwanted weight - Ramped cogs aid in shifting under load - Continuously molded construction maintains straightness and durability - Compatible with standard HG freehub bodies and 10-speed chains - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Cassette Cogs: 11-13-15-18-21-24-28-34-40-48

Shimano's Ultegra 10-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

SRAM's PowerGlide PG-820 Cassette is a fine 8-speed cassette. It features steel cogs with SRAM's DuraBlast technology for smooth, precision shifting and excellent durability.

Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.

When it's time to replace your old 8-speed cassette, check out SRAM's PG-850. Its steel construction and SRAM's PowerGlide technology combine to deliver miles of solid shifting and outstanding durability.

Precision CNC CroMo construction - 9 Pawl/108 Point/3.33° Engagement for instant power transfer - 8 spline removal - Chrome plated

Designed to be an extra durable single speed cog option, the Stainless Steel cog features extra tall teeth and a wide 4.5 mm base to limit freehub gouging. - Made from hardened and electropolished 416 stainless steel compatible with 9,10,11 speed chains

SRAM's PG-1130 11-Speed Cassette is constructed of heat-treated steel cogs and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports an aluminum spider construction for a maximum stiffness-to-weight ratio, a durable steel lockring, and comes in three wide ranges to suit your riding style.

A range of sturdy, affordable cogs is an essential part of a fixie rider's quiver. Origin-8's Track Cog is available in a variety of sizes and is chrome plated to resist rust and increase longevity. Now you can easily tailor your ride for the terrain. And you can choose between 1/8 and 3/32-inch chain widths.

- 3-spline steel cogs for use with Sturmey 3-speed (and 5-speed) internal gear rear hubs - Flat or dished for tuning chainline. Xylan coating for greater durability

Sometimes less is more. With 10 speeds, an 11-48T range, and evenly spaced gear steps, the ADVENT X cassette allows riders to shift less often to find the right gear, while still having enough range to ride what they want. Fewer cogs also means less weight and a wider chain for better mud shedding. It even fits on standard 10-speed freehub bodies so you don't need to buy new wheels for no reason. In short, it's everything you want in a high-end drivetrain. - 11-48T range with even gear steps for predictable gear changes - Hardened steel cogs are optimized for eBike compatibility - ED black with anodized surface finish - Continuously forged precision cogs

- Range: 13T x 1/8"

Machined from heat-treated, chrome-plated chromoly, these seriously tough cogs will hold up to massive track sprints and crazy skid-stops. Surly's Track Cogs are strong, shiny and they come in two widths and sizes from 13T to 22T so you can select the perfect gear.

• Easy-on, easy-off • Available in two chain widths and two colors • Available in six teeth sizes

- 7-speed SIS compatible Freewheel

• Steel • 8-speed

Problem Solvers Singlespeed 6-bolt Cogs are designed to be used with the Problem Solvers Cog Carrier. - Compatible with 3/32" and 1/8" chains - Cog is also 6-bolt rotor mount compatible for fixed gear use (see instructions for applicable warnings)

- Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 8

Campagnolo's Chorus Cassette offers precise, fluid shifting for your 11-speed drivetrain. The teeth have been exquisitely engineered and machined from steel, then coated with a nickel-chrome surface treatment and mounted on an aluminum carrier for flawless shifts and excellent durability.

Gates Carbon Drive CDC Rear Sprockets for Enviolo are crafted from coated steel, making them durable enough for global trekking, competitive racing, or rugged off-roading. - Enviolo mounting style - Coated steel construction - 11mm pitch

MicroSHIFT's H10 cassettes are manufactured to exacting tolerances for straightness, shift quality, and durability, resulting in responsive shifting performance that lasts longer than you might expect. - Sprockets are chrome-plated for hardness and corrosion resistance - Continuously molded cogs are straighter than stamped steel, resulting in more consistent, predictable shifting performance - Precision ramps and chamfers for rapid chain movement - Compatible with SRAM and Shimano 10-speed systems - Steel lock ring Gear combinations: - 11-25T: 11-12-13-14-15-17-19-21-23-25 - 11-28T: 11-12-13-14-15-17-19-21-24-28 - 11-32T: 11-12-13-15-17-19-21-24-28-32 - 11-34T: 11-12-13-15-17-19-21-24-28-34 - 11-36T: 11-13-15-17-19-21-24-28-32-36

- Rider Tuned Gearing - Wider Gear Combination: 11 – 28T/12 – 28T/11 – 30T (New Gear Combination) - Closer Gear Combination: 11 – 25T/12 – 25T - Lightweight - CFRP & Alloy Spider Arm, 5 Titanium Sprockets - Gear Combination: 11 – 25T, 11 – 28T, 11 – 30T (New Gear Combination), 12 – 25T, 12 – 28T

Shimano's Ultegra 9-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

SRAM's PowerGlide PG-830 Cassette is a quality 7-speed cassette. It boasts durable chrome-plated steel cogs with SRAM's shifting technology that includes optimal tooth profiles and ramps for fast, precision shifts every time.

SRAM's 1070 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in myriad configurations to suit all your riding. There are even models with 36-tooth largest cogs for super-easy climbing.

You've got to have the right ratio for the track, and Shimano's Dura-Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.