The Ciclosport HAC4 is your new training partner. Imagine a bike computer, heart rate monitor, and altimeter all rolled into one small device. That device is the Ciclosport HAC4.

Shimano Flight Deck wiring harness for 10 speed road STI levers.

This is the bracket and sensor kit for use with the Shimano Flight Deck cyclecomputer.

The PC 15 is your ideal training companion heart rate monitor.

This item is the cyclecomputer unit for the Shimano Flight Deck system. This innovative cyclecomputer is operated directly from the buttons built into certain Shimano STI brake/shift levers.

If you’re looking for small, fast, and light this is a computer for you! 9 functions packed into an incredibly tiny case.

See tons of information at once with the V12's widescreen display. It can display 3 different functions at the same time, yet weighs in at just 30 grams.

Sigma's PC 3FT heart rate monitor is so simple! No chest strap required, just place your fingers on the watch face to see your current heart rate.

The 404 delivers performance at a can't miss price! It's rare to find a quality computer from a respected brand like Ciclosport for so little...

Amazing buttonless design for durability, minimal size.

Same unit as the V9 wireless, with a more economical traditional wired pickup.

Sigma Sport's RDS wireless upgrade kit transforms your Sigma Sport BC 1600, 1200, 800, or 500 cyclecomputer into a wireless unit.

The RCS Plus will upgrade any Sigma 1300 or 1400 computer into a wireless computer. Gotta love the clean look of wireless!

Sigma Sport's BC1200 delivers an amazing array of features at a budget price.

The computer IS the button! Outstanding buttonless design for durability and ease of use.

This handy magnet attaches to bladed spokes, so you can keep using your cyclecomputer even after you upgrade to those trick new wheels.

This handy second mounting kit for Planet Bike cyclecomputers lets you use your computer on two bikes, or replace a broken or damaged mount.