Rosiir | The webshops for all bike saddles, powermeters, chainrings and other cycling needs!

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4iiii Precision vermogenmeters
Casco bike helmets
Cirrus Cycle
EasySeat
Ergotec
Favero Assioma
Fietsgereedschap
- Onderhoud
- Mini Tools
- Ketting Cassette
- Inbus en Torx Schroevendraaiers
- Gereedschapsets
- Bracket-Cranks
- Kabel
Fietsplankje
fitRABBIT biologisch bietensap
Intrepid Bike
ISM seats
- City
- Trekkingbike
- Roadbike
- Triathlon
- MTB
- Accessories
Lik Natural
O.Symetric
- ROAD
  - Compact
  - Double
- ATB
- Time Trial/Triathlon
- BMX
- Cranksets
Powerbeat
Powerpod
ReSkin Sport
Rosiir wielerkleding
Rotor
- Q-Rings
  - MTB
  - ROAD
  - CYCLOCROSS
- QXL
- NO-Q
  - ROAD
  - ATB
  - CYCLOCROSS
- Bearings and accessories
- Cranksets
  - ROAD
  - ARENA/TRACK
  - ATB
- Powermeters
  - ROAD
  - ATB
Stryd
Sudden Rush - Guarana
TeamZwatt
Training with powermeter
Triathlon en reparatie standaards
TRP Tektro remsystems
- TRP/Tektro brakes
- TRP/Tektro brakelevers
- TRP/Tektro accessoires
- TRP/Tektro brakepads
Wahoo Fitness
- Bike Equipment
- Heart Rate Monitors
- Kickr
- accessories
- Informatie over Wahoo
Xplova GPS bikecomputers
Sale
Chainrings
- Oval chainrings
  - Rotor
    - MTB
    - Road
    - Cyclocross
    - Track
  - O.Symetric
    - Road
    - MTB
    - BMX
    - Cyclocross
- Round chainrings
  - Road
  - MTB
  - Cyclocross
  - Track
Cranks
- Rotor race/triathlon
  - Compact
  - Double
- Rotor MTB
  - Singlespeed
  - Double
- Powermeter
  - Road/triathlon
  - MTB
- Crank spareparts
- O.Symetric
Bikeseats
- ISM seats
  - Citybike
  - Trekkingbike
  - Roadbike
  - Triathlon
  - MTB
- Easyseat
- Seatposts and more
- Other saddles
Powermeters
- 4iiii powermeters
- Favero Assioma Powermeters
- Powerpod powermeter
- Rotor powermeters
- Stryd powermeter running
- TeamZwatt
- Watteam Powerbeat
- Spareparts powermeters
Navigation
- Wahoo bikecomputers
- Xplova bikecomputers
- Spareparts
Brakes
- Calipers
- BRakelevers
- Accessoires/pads
Helmets
- Casco helmets
- Accessoires
Diverse
- Divers Wahoo Fitness
- Bearing
- Tools
- Hometrainers
- Maintenance
- Spareparts Rotor
- Sportswear
- Food
- Wheels
  - Spareparts
- Saddle fastening
- Sale
- Divers

Popular

€ 239,00 on stock

Wahoo Fitness ELEMNT bolt bikecomputer

One of the bike computer of the elemnt series, a great addition to the bike with extra aerodynamics! ON STOCK

€ 239,00

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on stock
€ 284,95 on stock

Casco SPEEDairo RS (white - black)

The best helmet in the Speed series Bike helmet with visor Casco SPEEDairo white - black A great aerodynamic bike helmet with visor, the helmet complies with the EN 1078 safety standard.

€ 284,95

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on stock
€ 299,90 In Stock

Rotor ALDHU cranks

Rotor invented a new system: Rotor ALDHU in wich you can compose your own crank.Durable, superlight en beautifull.Compose you own crank from 150mm up to 175mm.

€ 299,90

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In Stock
€ 199,95 on stock

ISM PN3.0 saddle triathlon

Based on the PN shaped and with the additional feedback from a few world-famous triathlets we now have a very different shaped ISM saddle wich will feel so comfortable in the TT-position like you've never experienced before. Invest in your health!

€ 199,95

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on stock
€ 349,95 on stock

PowerPod powermeter (Bluetooth & ANT+)

Why bother it when it is easy? The PowerPod, quick, easy and a cheap powermeter on the market! With 12 years of continuous improvement, there is the PowerPod ANT for you!

€ 349,95

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on stock
€ 299,00 On stock

Cirrus BodyFloat Seatpost aluminium

€ 299,00

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On stock
€ 395,00 Levertijd 3 tot 4 werkdagen

Team Zwatt Zpider Power Meter

Voordelige Vermogensmeter in ruil voor data Bij Team Zwatt hebben ze het concept bedacht om voordelig een vermogensmeter aan te kunnen bieden wanneer u hen kunt voorzien van data gegenereerd met deze meter. Lees in de lange beschrijving hoe het precies werkt! (DATA VERLENING NIET VERPLICHT ook zonder data verlening is deze vermogensmeter voordelig te...

€ 395,00

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Levertijd 3 tot 4 werkdagen
€ 799,00 on stock

Favero Assioma Duo powermeter

Assioma DUO Power meter with sensors on both pedals. The best choice to take fulladvantage of the real dual-sided measurement.

€ 799,00

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on stock