{"id":54026,"date":"2023-08-31T18:00:46","date_gmt":"2023-08-31T16:00:46","guid":{"rendered":"https:\/\/www.bikeradar.com\/?p=744471"},"modified":"2023-08-31T18:36:49","modified_gmt":"2023-08-31T16:36:49","slug":"new-shimano-grx-switches-to-12-speed-and-increases-gear-range-but-sticks-to-mechanical-shifting","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/cyclingplus\/rss_feed\/new-shimano-grx-switches-to-12-speed-and-increases-gear-range-but-sticks-to-mechanical-shifting\/","title":{"rendered":"New Shimano GRX switches to 12-speed and increases gear range \u2013 but sticks to mechanical shifting"},"content":{"rendered":"

Shimano introduces new Unbeatable, Unstoppable and Undroppable versions of its gravel groupset <\/p>

By Liam Cahill\n \t\t<\/p>

Published: Thursday, 31 August 2023 at 16:00 PM<\/p>

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Shimano has officially launched its GRX RX820 gravel bike groupset. It\u2019s an all-mechanical 12-speed affair (for now) and features far wider gearing options than before, closing the gap to rivals SRAM and Campagnolo.<\/p>\n

The new GRX groupset is only currently available in a mechanical version, with no word on Di2 at the time of launch, although we\u2019d expect that to change in the future.<\/p>\n

The second-tier GRX RX610 also moves to 12-speed, maintains 2x and 1x options and gets trickle-down technology from the original 800 series GRX<\/a>.<\/p>\n

Within both GRX tiers, there are three sub-families; Unbeatable, Undroppable and Unstoppable. These are designed to give distinct identities to the three available setups (1x for gravel racing,\u00a0 2x for all-round gravel riding and a 1x mullet drivetrain) within each tier.<\/p>\n

Shimano has also updated its range of gravel wheels<\/a>. The carbon RX880 uses a 32mm-deep, hooked rim with a 25mm internal width. Shimano says the tubeless-ready wheels are suitable for gravel tyres<\/a> from 32mm to 50mm wide.<\/p>\n

Here we\u2019ll concentrate on all of the tech details, but you can also read the verdict on how it performs in our full Shimano GRX RX820 review<\/a>. We\u2019ve also covered the release of Shimano\u2019s new 105 mechanical road groupset<\/a>.<\/p>\n