Thinkrider A1 Smart Trainer Brand_Iron Stallion Each clamp is equipped with

Each clamp is equipped with a locking knob

Outer Width:  23

BB 68mm – BSC English bottom bracket standard

very nice to the touch

Carcass-construction is robust and impervious against damage and penetration from foreign objects

Thinkrider A1 Smart Trainer Brand_Iron Stallion Each clamp is equipped withraining & Games Power meter inside, no need power source,Compatible with all popular cycling software Accurate power data Fixed 3% slope resistance, meet professional training needs Durable Battery Life Stand by time up to 300 days, training time up to 300 hours Fast and easy installation: After receiving the product, you just need to install the bike trainer's leg and the cassette. We also provide professional video guidance, which can be found on