Syncros ZS56 Reach Adjust 5mm Headset Cups Black

Syncros ZS56 Reach Adjust 5mm headset cups for riders who want to adjust their bike's top tube length. For 56mm head tubes and tapered forks.

• Adjust the top tube length by +/- 5mm without changing the frame
• For tapered forks, also compatible with Gambler MY25
• Black aluminium alloy, lightweight to fit and easy to match
• Bearings not included: external diameters of 41mm for the upper bearing and 52mm for the lower bearing are required
• Before ordering, check that the head tube measures 56mm at the top and bottom

Technical specifications

• Colour: Black
• Material: Alloy
• Head tube diameter: Upper 56mm (ZS56); lower 56mm (EC56)
• Adjustment: +/- 5mm of top tube length
• Compatibility: Tapered forks; Gambler MY25
• Cup insertion depth: Upper 11.5mm; lower 11.5mm
• Cup stack height: Upper 3.5mm; total upper height with bearing cover 9.5mm; lower 14mm
• Upper bearing: 41mm external diameter, 45 x 45 degrees, sealed AC
• Lower bearing: 52mm external diameter, 45 x 45 degrees, sealed AC
• Bearings included: No

Syncros was founded in 1986 on Vancouver’s North Shore by Peter Hamilton and Pippin Osborne, who handcrafted the first aluminium components. Since 2012, it has been part of SCOTT Sports, based in Givisiez, Switzerland. Today, it offers wheels, saddles, integrated handlebars and accessories to accompany cyclists on trails, roads, gravel and city streets.