Hollis SMS Weight Plate SPG so you can rest (and

so you can rest (and play) with confidence

The Perdix can provide time-to-surface based on "look ahead" at planned gas switches

Ending Pressure Alarm

Heat Exchanger for Improved cold-water performance

get daily run and ride suggestions based on your current training load and status

Hollis SMS Weight Plate SPG so you can rest (andOverview Weight system designed for the SMS side mount harness makes a perfect accessory for those with additional weight requirements. The weight plate mounts to the rear of the SMS single or dual via stainless steel book screws included with each harness. Supports up to 18 lbs. (8. 2 kg) of weight, 3 lbs. (1. 4 kg) per pocket with 6 pocket total. Weight pockets have hook & loop fastener closures and accept hard or soft pouch weights. The Hollis SMS