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

Brands

4iiii
- 4iiii Precision Powermeter
- 4iiii Smarttrainers
Casco bike helmets
- Casco helmet electric bike
Cirrus Cycle Kinekt Bodyfloat supsension comfort bike gear
Cycling Ceramic
EasySeat
Essax Duopower saddles
Favero Assioma
Fietsgereedschap
- Onderhoud
- Mini Tools
- Ketting Cassette
- Inbus en Torx Schroevendraaiers
- Gereedschapsets
- Bracket-Cranks
- Kabel
Minoura
ISM seats
- City
- Trekkingbike
- Roadbike
- Triathlon
- MTB
- Accessories
O.Symetric
- ROAD
  - Compact
  - Double
- ATB
- Time Trial/Triathlon
- BMX
- Cranksets
Powerpod
RedShift bikecomfort
ReSkin Sport
Rosiir wielerkleding
Rotor
- Cranksets
  - ROAD
  - ARENA/TRACK
  - ATB
- Powermeters
  - ROAD
  - ATB
- Q-Rings
  - MTB
  - ROAD
  - CYCLOCROSS
  - BEACH
- NO-Q
  - ROAD
  - ATB
  - CYCLOCROSS
- Bearings and accessories
- QXL
Shift Up
Speedplay pedals
Smurt
Stryd
Synofit
Power Meters
Triathlon en reparatie standaards
TRP Tektro remsystems
- TRP/Tektro brakes
- TRP/Tektro brakelevers
- TRP/Tektro accessoires
- TRP/Tektro brakepads
Wahoo
- Bike Equipment
- Heart Rate Monitors
- Kickr
- accessories
- Informatie over Wahoo
Xplova
Sale
BSX insight
Chainrings
- Oval chainrings
  - Rotor
    - Road
    - MTB
    - Cyclocross
    - Beach
  - 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
- Essax Duopower
- Easyseat
- Seatposts and more
- Other saddles
Powermeters
- Avio powermeters
- 4iiii powermeters
- Favero Assioma Powermeters
- Powerpod powermeter
- Rotor powermeters
- Stryd powermeter running
- Spareparts powermeters
Navigation
- Wahoo bikecomputers
- Xplova bikecomputers
- Other bike computers
- Spareparts
Brakes
- Calipers
- BRakelevers
- Accessoires/pads
Care
Helmets
- Casco helmets
- Accessoires
Diverse
- Divers Wahoo Fitness
- Bearing
- Tools
- Hometrainers
- Maintenance
- Spareparts Rotor
- Sportswear
- Food
- Wheels
  - Spareparts
- Saddle fastening
- Sale
- Divers

New products

Rotor Q-Ring Oval Direct Mount - SRAM BOOST - 3mm OFFSET

€ 57,84

All new products

Specials

iBike Newton+ Pro Tinkoff Edition powermeter

iBike Newton+ Pro Tinkoff Edition...

€ 330,30 € 784,30

All specials

€ 49,55 on stock

Rotor QRings compact 110BCD 5-brands

This Rotor Q-Ring blades are available in various sizes.

€ 49,55

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on stock
€ 253,91 € 329,75 -23% In stock
Sale!

Xplova X5 Evo GPS Bike Bomputer with...

A revolutionary GPS Cycle computer with integrated action camera! Explore, Record, Share! X5 Evo — A new way of recording andsharing your cycling experiences

€ 253,91 € 329,75 -23%

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In stock
€ 180,99 In stock

Wahoo Fitness ELEMNT Bolt Stealth Bike...

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

€ 180,99

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In stock
€ 70,21 Shipped in 2-4 weeks

Casco Roadster helmet color: 'Olive'

Casco Roadster Olive, this urban bike helmet can be used versatile! The helmet has a comfortable fit and features an anti-insect net.Available with and without visor

€ 70,21

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Shipped in 2-4 weeks
€ 866,94 shipped in 1-3 days

Rotor MTB Powermeter 2INpower double sided...

Power meter bicycle from Rotor. The Rotor 2INpower MTB direct mount. The power meter of the moment! Direct mount, so opt for loose spider with blades or spider ring. Singlespeed or double. Q or NoQ

€ 866,94

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shipped in 1-3 days
€ 247,89 In stock

PowerPod V3 powermeter (ANT+ and Bluetooth)

Why bother it when it is easy? The PowerPod V3, quick, easy and a cheap powermeter on the market! With 12 years of continuous improvement, there is the PowerPod V3 for you!

€ 247,89

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In stock
€ 140,45 In stock

RedShift ShockStop suspension stem

The patent-pending ShockStop Suspension Stem smooths out road imperfections, reducing fatigue and strain. Whether you're on a local group ride, or exploring gravel back roads, the ShockStop will make your ride smoother, faster, and more comfortable. The minimal, subtle design blends seamlessly with the aesthetic of modern road bikes.

€ 140,45

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In stock
€ 165,25 On stock

Kinekt Suspension Stem

Kinekt suspension stem.For comfortable rides.

€ 165,25

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On stock
€ 185,91 In stock

PowerPod Lite V3 powermeter (ANT+)

Why bother it when it is easy? The PowerPod Lite, quick, easy and a cheap powermeter on the market! With 12 years of continuous improvement, there is the PowerPod V3 for you!

€ 185,91

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In stock
€ 321,49 Available mid-April. Order now to put yourself on the waiting list.

Xplova NOZA ONE Semi-Smart Trainer

The best choice for an entry-level indoor bicycle trainer!

€ 321,49

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Available mid-April. Order now to put yourself on the waiting list.
€ 660,33 In stock

Xplova NOZA-S Smart Trainer

The most powerful, accurate, and silent direct drive trainer in class. Zwift certified!

€ 660,33

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In stock
€ 367,77 In stock

Favero Assioma UNO Power Meter (2021)

Assioma UNO Cycling power meter with power sensor on the left pedal. The single-sidedpower meter pedals with upgrade option.

€ 367,77

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In stock
€ 537,15 on stock

Rotor MTB and Road Powermeter INspider

Power meter bicycle from Rotor. The Rotor INspider. The power meter of the moment! Direct mount, Already have a ALDHU, Vegast or KAPIC? Just replace the spider for the INspider!

€ 537,15

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on stock
€ 442,93 on stock

AeroPod+ powermeter CdA (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!

€ 442,93

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on stock
€ 949,59 shipped in 1-3 days

Rotor Powermeter 2INpower double sided...

Power meter bicycle from Rotor. The Rotor 2INpower. The power meter of the moment!Direct mount, so opt for loose spider with blades or spider ring. Singlespped or double. Q or NoQ

€ 949,59

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shipped in 1-3 days
€ 165,25 On stock

Rotor spiderring Q-ring DM directmount

This spiderring Q-ring is suitable for the new directmount system from Rotor (ALDHU, VEGAST 92)INpower etc.) From one unit, so super light and super stiff!

€ 165,25

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On stock

€ 57,84 Shipped in 2 weeks
New

Rotor Q-Ring Oval Direct Mount - SRAM...

€ 57,84

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Shipped in 2 weeks

€ 330,30 € 784,30 In stock
Sale!

iBike Newton+ Pro Tinkoff Edition powermeter

iBike Newton+ Pro Tinkoff Edition powermeter.Last one. Special offer.

€ 330,30 € 784,30

Add to cart More

In stock
€ 253,91 € 329,75 -23% In stock
Sale!

Xplova X5 Evo GPS Bike Bomputer with...

A revolutionary GPS Cycle computer with integrated action camera! Explore, Record, Share! X5 Evo — A new way of recording andsharing your cycling experiences

€ 253,91 € 329,75 -23%

Add to cart More

In stock
€ 180,54 € 190,04 -5% In stock
Sale!

Stryd Footpod Power Meter

€ 180,54 € 190,04 -5%

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In stock