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The move to Zipp's new 77/177 hubs, and accept 11-speed cassettes, but can also accept an XD driver for a frankenbike creation. Rear hub weighs 265g. © Cyclocross Magazine

The move to Zipp’s new 77/177 hubs, and accept 11-speed cassettes, but can also accept an XD driver for a frankenbike creation. Rear hub weighs 265g. © Cyclocross Magazineundefined