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23 sty 2015 · I show how to disassemble, clean, lube, and re-assemble a Sturmey-Archer (TCW III) 3 speed hub with coaster brake. A complete teardown/rebuild. The bike is a...
I show how a bicycle coaster brake hubs works, including a cutaway shot of the hub so you can see the inside of it as it is working.
Features. • Classic 3-speed internal gear hub with gear ratio of 177%. • Gear steps of 33% and 33%. • 6061 Aluminium hub shell. • Available with 28, 32 or 36 spoke holes. • Compatible with 13 to 24 teeth sprocket. • Anodised alloy or black finish. • Weight - 1290g. Gear Ratio.
The current (2017) generation of Shimano 3-speed internal-gear hubs is available with a coaster brake or with an optional external Rollerbrake or disc brake. The coaster brake is only suitable for flatland use: it will overheat on long downhill runs, like any coaster brake.
Learn how to completely overhaul a Sturmey-Archer TCW III 3-speed hub with coaster brake in this comprehensive 38-minute video tutorial. Follow along as the instructor demonstrates the step-by-step process of disassembling, cleaning, lubricating, and reassembling the hub.
Coaster Brake The SHIMANO NEXUS coaster brake is operated by pedaling backward in a similar way as ordinary types. Its uniqueness is that braking power transmitted to the wheel directly for the SHIMANO NEXUS internal coaster brake is independent of the gear shifting mechanism built into the hub.
The hub contains internal brake shoes housed inside a metal shell. A clutch mechanism allows the hub to engage and drive the bike forward. The clutch then disengages for coasting or braking. Rotating the pedals backwards expands the brake shoes into the steel hub in order to slow the bike.
