Team Challenge Size:34 8-12 watts of savings at

8-12 watts of savings at 50kph

With new patented KinetiCore impact protection technology and city-oriented features such as LED light compatibility

programmable for SHIMANO

Proprietary Hexatude_ hex-shaped aluminum tubing ensures low flex and no rotation

Team Challenge Size:34 8-12 watts of savings atPart of the arena Team Line collection inspired by our swim champions and designed for the major swimming federations, the arena Team Women's Challenge Back One piece is perfect for intensive and competitive swimmers. It's made from an extremely chlorine resistant swim fabric that protects skin from the sun, is quick to dry and is super durable. The open back in combination with the thin straps and high cut leg provide maximum freedom of movement,