- Starting with race-proven 900 disc
- Stub axle, durable oversized bearings and scuff resistant layer to prevent damage from your gloves
- High density co-moulded inserts to accept virtually any size of hand ring
- Wheelchair version gives the same aerodynamics, comfort and control for which the 900 is known
- Dimpled surface
- Outer width: 20mm
- Weight: 1084g