INGRID Road 12 Speed Cassette - Shimano Size:11-44t SIZE Bolt:6

SIZE Bolt:6

The 32c tyres provide stability on both road and off-road surfaces

so it keeps spinning no matter what

Technology: BlackChilli Compound

510% Range

INGRID Road 12 Speed Cassette - Shimano Size:11-44t SIZE Bolt:6Its a single 12 speed road, gravel cassette with a total range of 400%, the same of a double road system. Yes, no any miracle, except for simplicity vs some big gap at the extreme of it, optimizing the middle to make it smoother in the mainly used srockets. We started with the 11t sprocket to minimize friction and power loss and at the same time use normal chainring at the front. Of course it could be fitted in old shimano HG freehubs. But even in XD