7 Speed Bicycle Cassette for Brompton C/T/Pline Folding Bike Folding Bike Drivetrain Upgrade

Label:Yes Smooth Riding: The precisely machined gear profile supports stable chain engagement when used with a suitable chain and drivetrain setup. It helps deliver smooth rotation, easy gear changes, and low noise performance for a more comfortable folding bike riding experience. Material and Size: Made with stainless steel sprockets and an aluminum alloy lockring, this bicycle flywheel combines practical strength with a lightweight structure. Color is black and silver. Overall size is about 115mm(4.53in) by 29mm(1.14in), and manual measurement may have slight variation. Package and Note: Package includes 4 cassette components for one 7 speed cassette set. This cassette uses a 10 speed tooth profile and should be used with a 10 speed or higher bicycle chain. This is a compatible modification part, not an original bike brand component. The item color may vary slightly due to lighting and screen settings. Gear Range: The cassette includes 11T, 13T, 15T, 17T, 19T, 21T, and 28T sprockets, offering an 11 to 28T range for city roads, commuting, short climbs, and faster flat riding. It helps provide multiple gear choices for different riding conditions. Compatibility: This 7 speed bike cassette sprocket is designed for compatible for Brompton C, T, and P Line folding bike modification setups. It is suitable for rear drivetrain replacement, folding bike gearing adjustment, and daily cycling maintenance. Please check hub type, chain, derailleur, and frame clearance before ordering.

Item Type: Bike Cassette Color:Black+Silver Material: Stainless Steel, Aluminum Alloy Speed: 7 Speed Tooth Count: 11T, 13T, 15T, 17T, 19T, 21T, 28T Size: 115mm(4.53in)*29mm(1.14in) Compatibility: Compatible with Brompton C/T/Pline Folding Bike Modification

Package List: 4 x 7 Speed Cassette Components

Notes: 1.This cassette uses a 10 speed tooth profile and is specially designed for compatible folding bike setups. Please use it with a 10 speed or higher chain, and check your rear hub, chain, derailleur, and frame clearance before purchase. 2.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.