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Top Sigma Products
Sigma Topline Computers image Sigma Topline Computers

- All Topline computers feature current speed, cumulative odometer, trip distance, trip time, KMH/MPH auto conversion and 12/24 hour clock. All are waterproof and include batteries and a 5-year warranty
- Digital Transmission System (DTS) found on wireless models (wired models are not upgradeable to wireless)
- BC2006L has current and total altitude with current temperature. Choose black or Rocky Mountain Team Limited Edition version
- BC1706 and higher models have current, average, and max heart rate
- BC1606 and higher models have backlight, L series has cadence, L-R has cadence and rear wheel harness (great on trainers)
- BC1106 and higher models have memory backup for settings
- BC906 and higher models have a low battery indicator
- SM-1108 includes 1106 head unit packaged with a wired harness for a second bike for 2-bike programmability

$17.99
Sigma DTS Wireless Transmitters image Sigma DTS Wireless Transmitters

- Digital Transmitter System (DTS) wireless transmitter replacements for post-2005 Sigma wireless head units
- There is no wired-to-wireless conversion for post-2005 wired models

$4.99
Sigma Computer Wheel Magnets image Sigma Computer Wheel Magnets

- Power magnet offeres a solution for odd spoke sizes or distances of up to 20mm between the spoke and the sensor

$2.69
Sigma Cadence Sensors and Magnets image Sigma Cadence Sensors and Magnets

- Wired cadence sensor kit converts Sigma BC1600/1100/1200/1400/1606L
- Y-outlet cable routing is ideal for all frame and handlebar diameters
- Sensor provides information on the current and average cadence. If pedal frequency is not installed on the BC 1606L, the cadence indicator can be hidden

$5.99
Sigma Wire and Sensor Kits image Sigma Wire and Sensor Kits

- Twist Lock: for all 2003-2005 Topline Twist Lock System computers
- Front sensor for bike-2 automatically switches the bike computer for either Road or Mountain bike, saving conversion time or buying a second computer
- Rear sensor wire is 1700mm long

$7.20
Sigma Computer Batteries image Sigma Computer Batteries

$2.49
Sigma PC-Series Heart Rate Monitors image Sigma PC-Series Heart Rate Monitors

- All Sigma heart rate monitors facilitate training in target zones, featuring pulse monitor, 12/24 hour clock, 5-year warranty and are waterproof to 3 meters
- PC-15 and PC-9 have a Training Manager which monitors, plans and evaluates all workout data for up to 7 workouts, an Exercise Zone feature which calculates ideal personal training limits and 1-3 manually adjustable heart rate limits, 5 languages. PC15 also has an alarm clock, lap counter and back light

$49.99
Sigma Onyx Heart Rate Monitors image Sigma Onyx Heart Rate Monitors

- Targeted training made easy with digitally coded monitors to ensure training data is recorded accurately and available for detailed analysis
- All Onyx models include ECG-precise heart rate tracking, water resistant cases, backlight, tool-free battery compartment
- Fit and Pro models include setting based upon maximum heart rate or individual anaerobic threshold (IAT)
- Fit model also includes the VO2 max Rockport test
- Balance and Classic feature easy-to-read extra-large figures (same computer, different colors)

$89.99
Sigma Heart Monitor Chest Strap/Transmitter image Sigma Heart Monitor Chest Strap/Transmitter

- Replacement chest straps for Sigma heart rate monitors
- Coded fits all Onyx models and BC1706/BC2006
- Non-coded fits PC-3, 4, 9, 15, Shape, Fit
- 60cm maximum chest size

$29.99
Sigma Evo-Series Light System image Sigma Evo-Series Light System

- Available with single or dual halogen lamps and regular sealed lead acid battery or longer life nickel metal hydride flat pack
- Features tool free mounting, waterproof case, universal fit system
- Includes stem/bar/helmet mounts, helmet mount extension cord, Smart Charger
- 5 year warranty on the housing

$99.99
Sigma PowerLED Black Light System image Sigma PowerLED Black Light System

- High-powered 90-LUX LED in a durable, waterproof aluminum case
- Wide angle reflectors spread light over 240 feet ahead of the rider
- Three light modes including economy, standard and hi-power
- Tool free stem/bar mount fits bars 22-62mm in diameter
- Choose standard battery or IION Li-Ion for lighter, longer lasting and rechargeable battery (included)

$109.99
Sigma SiLED Luxeum Headlight image Sigma SiLED Luxeum Headlight

- Superbright 1 watt Luxeum lamp offers 8-28 hours burn time
- Adjustable, washable elastic headband and batteries included
- Combine with BTI #SM-3295 helmet mount conversion if headband is not desired

$69.99
Sigma Kalmit Headlight image Sigma Kalmit Headlight

- Single high-powered white 15-LUX LED illuminates over 100ft ahead of rider
- Durable aluminum housing with 2 modes including standard and hi-power
- Tool free bar mount (22-32mm), waterproof case, batteries included

$64.99
Sigma NiPak Battery/Charger image Sigma NiPak Battery/Charger

- Nickel metal hydride flat pack battery doubles Mirage-X burn time
- NiMH is also lighter and accepts more charges than sealed lead
- Also includes Smart Charger and splitter cable
- Compatible with any Mirage-X dual lamp headlight

$87.99
Sigma SiLED Helmet Mount Kit image Sigma SiLED Helmet Mount Kit

- Helmet mount replaces elastic headband with 2 hook-and-loop straps and cable guide

$4.99
Sigma TriLED Headlight and Set image Sigma TriLED Headlight and Set

- 3 super bright white LED micro lights, visible over 2000ft
- 3-stage soft touch power switch: flashing/steady/off modes
- Uni-Fit click-release handlebar bracket fits bars 22-32mm diameter
- Over 100 hrs run time on 3 AA batteries (included)
- SM-3301: TriLED headlight packaged as a set with Cuberider taillight

$19.99
Sigma Micro-W Headlight image Sigma Micro-W Headlight

- Single white LED compact safety light with Velcro straps
- Features steady and flashing modes. Batteries included

$9.99
Sigma Micro-R Taillight image Sigma Micro-R Taillight

- Single red LED compact safety light with Velcro straps
- Features steady and flashing modes. Batteries included

$9.99
Light/Computer Combo Pack image Light/Computer Combo Pack

- super bright TriLED head light visible up to 300 meters
- Cuberider taillight
- 5 function BC506 computer
- batteries included
- 5 year warranty

$49.99
Sigma Micro Light set

- Single front and rear LED compact safety lights with velcro straps
- Features steady and flashing modes. Batteries included

$19.99
Featured products
  • Delta Airzound Bike Horn 
    - 115 decibel horn with volume control switch
    - Mounts to most handlebars. No batteries needed
    - Air reservoir is easily refilled with any bike pump
    - Extension allows for more versatility when mounting system
  • Campagnolo BIG Corkscrew 
    - A true classic, and symbol of genius for an iconoclastic brand
    - Patented telescopic, self-aligning system always centers the screw in the center of the cork
    - Hardened steel screw with a wide and shapr profile provides maximum grip on the cork, while the two large levers enable easy extraction without disturbing the wine
    - Includes a wooden case with vinyard-esque packing material
  • Kenda Standard Butyl Tube 
    - Standard .85mm wall thickness butyl tube
  • Maxxis Xenith 26" Tire 
    - Mountain bike specific slick tire for 26" cross training
    - 60 tpi casing, 70a durometer: Durable, fast rolling compound
  • Planet Bike Freddy Fenders Hardcore Fender Set 
    - Superflex unbreakable all-weather polycarbonate
    - Pre-installed stainless steel hardware with mud flaps
    - Includes all hardware for mounting to virtually any bike
  • OURY Grips 
    - Thick profile and raised square blocks with a sticky feel, 98g
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