Speedsync freehub bodies feature triple freehub bearings for increased axle stability to handle even greater vertical and torsional loads. Comes standard on Neo Uitimate hubs and is an upgrade for Neo hubs.

• Super-quick 6-pawl system provides 72 points of contact and 5-degree engagment for instant acceleration
• Stainless steel bearings for maximum durability
• Wide bearing stance and axle design reduces flex and adds durability
• Low drag main seal prevents contamination and reduces resistance
• Cassette Body Type: Shimano Micro Spline