Topeak Racerocket HP Hand Pump - Silver gsda the derailleur cage actually rotates

the derailleur cage actually rotates to maintain a consistent angular relationship with the chain

allowing you to set the perfect amount of tension and secure the pinch bolt

including automatic syncing from TrainingPeaks and TrainerRoad

80% of the adhesive strength is reached after 8 hours

all bolted to carbon arms with a spectacular yet subtle finish

Topeak Racerocket HP Hand Pump - Silver gsda the derailleur cage actually rotatesA slightly shorter version of the RaceRocket HP that easily fits in your jersey pocket. This elegant mini pump features an all aluminum body, head and pump handle and is designed with a narrow barrel diameter that handles higher pressures with ease. An extendable hose with SmartHead ThreadLock fills Presta and Schrader valves with ease and helps take stress off the valve stem when filling the tire. Its efficient and smooth action inflates tires to 160