BBB - RollerBoys SRAM Pulleys Stock Item:BBB 'ROLLERBOYS' 12T SRAM NARROW/WIDE making it perfect for building

making it perfect for building confidence and coordination in early riders

Attractive argyle pattern with a Park Tool logo on the cuff and "Trust Me" / "I'm a Bike Mechanic" emblazoned across the arches

it’s no surprise that optimized tire pressure directly enhances your comfort

Optimized power and modulation for higher speeds and more control

and a vastly superior range of adjustability

BBB - RollerBoys SRAM Pulleys Stock Item:BBB 'ROLLERBOYS' 12T SRAM NARROW/WIDE making it perfect for buildingBBB ROLLERBOYS SRAM PULLEYS High quality pulley wheels are a must have for every serious bike rider, and the RollerBoys from BBB are made for a smooth ride. The composite material is strong and durable, and the special teeth pattern makes for speedy shifting to a higher gear. BDP 07 Narrow Wide tooth profiling ensures ultimate chain retention Composite material provided by EMS Swiss, with 40% glass fibre mixture Sealed bearings Compatible with SRAM 12