Topeak Alien II Multi Tool BF PSI a new smart trainer designed

a new smart trainer designed to deliver a superior riding experience by unlocking the full potential of your bike workouts with unparalleled value and a comprehensive mix of high-end features

Instead of searching for your key

By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings

new iterations were carefully tested with great focus put on understanding how pressure patterns change according to different bike geometries

mm 0 (38T-60T)

Topeak Alien II Multi Tool BF PSI a new smart trainer designedThe award winning, do it all tool. 31 function tool folds into a lightweight two piece body the perfect cycling tool. Includes self tightening tool and a nylon bag. The chain tool is compatible with single and multi speed chains up to 12 speed, NOT including Campagnolo 11 speed hollow pin chains. Features Secondary chain link fence, Chain pin breaker Air release button, Leverage added Two chain pins compartment, Tool lock Two piece design, Self