Système Gyroscopique G1 DMR which will be the P23

which will be the P23 adapter

Skatepark / Street

for riders

Not only does this shape maximize shifting performance and robustness

abrasion-resistant construction ✔ Sleek

Système Gyroscopique G1 DMR which will be the P23G1 SIZING AND COMPATIBILITY *Lever, cables, and calliper not included.* SIZE SMALL: Head tube outside diameter must be 54mm or less. We recommended use with frames that use a press in headset top cup. This will prevent any compatibility issues from using the G1 with different gyro tabs. If your frame does not use a press in top cup, you can use gyro tabs that line up with the bottom of the small G1 (69mm) however, gyro tabs are not included and may