ABSOLUTEBLACK HOLLOWcage 9100/9150/8000/8050 Ti 48 SPLINE Two piece disc saves weight

Two piece disc saves weight and for the first time it is also available with a 220 mm diameter

Increased Pin-Power

Proprietary shape forged from heat treated 4130 chromoly tubing

Giant: AC - All years / Anthem - 2006-2008 / Arete - 2008 / Areva - 2010-2016 / ATX - Pre-2014 / Boulder - All Years / Boulder SE - All Years / Brass SX - 2009 / Cypress - 2006 / Escape - 2011 / Expressway - 2010+ / Iguana - All years / Momentum Park - 2015-2016 / Momentum Street/Mid-Step - 2015-201

Simple design for the single speed market

ABSOLUTEBLACK HOLLOWcage 9100/9150/8000/8050 Ti 48 SPLINE Two piece disc saves weightCarbon polymer mono plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever created Compatible with Shimano Dura Ace 9100 9150 9170 , Ultegra 8000 8050. Fits up to 32T cassette Proprietart pulley design is able to reduce the sound level by 12 14dB when compared to stock Dura Ace pulleys Mono plate cage dynamically reacts to chain angle for reduced friction and lost watts Complete cage, lockring