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

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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
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- Accessories
O.Symetric
- ROAD
  - Compact
  - Double
- ATB
- Time Trial/Triathlon
- BMX
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Powerpod
RedShift bikecomfort
ReSkin Sport
Rotor
- Cranksets
  - ROAD
  - ARENA/TRACK
  - ATB
- Powermeters
  - ROAD
  - ATB
- Q-Rings
  - MTB
  - ROAD
  - CYCLOCROSS
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- NO-Q
  - ROAD
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  - 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
- Selle Bassano
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
Best sellers

New products

Rotor QX2 SRAM XX Chainring Bolts

Very light chainring bolt set for SRAM XX 2-speed, consisting of 4 bolts...

€ 16,49
Tektro HD-T525 Auriga Brake Lever Hydraulic

Tektro HD-T525 Auriga Brake Lever Hydraulic

€ 49,55

All new products

Specials

iBike Newton+ Pro Tinkoff Edition powermeter

iBike Newton+ Pro Tinkoff Edition...

€ 330,30 € 784,30

All specials

€ 412,40 In stock

Wahoo Fitness KICKR Snap Power Trainer

The best wheel-on design trainer in the world. Wahoo succeeded in bringing the real road-feeling to you attic or basement. Combined with a perfect powerindication you're going to buy your best product off this years.

€ 412,40

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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
€ 442,93 Out of 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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Out of stock
€ 990,91 In stock

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

€ 990,91

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In stock
€ 338,02 In stock

Rotor ALDHU Carbon crank arms

Rotor invented a new system: Rotor ALDHU Carbon in wich you can compose your own crank.Durable, superlight en beautifull.Compose you own crank from 165 mm up to 175 mm.

€ 338,02

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In stock
€ 165,25 Shipped in 2 weeks

Kinekt Suspension Stem

Kinekt suspension stem.For comfortable rides.

€ 165,25

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Shipped in 2 weeks
€ 660,33 In stock

Wahoo KICKR Core Smart Trainer

The new bike trainer Wahoo KICKR Core! As much Wahoo KICKR as possible for the lowest price possible: The Wahoo KICKR Core!

€ 660,33

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In stock
€ 495,00 Shipped in 1 week

Favero Assioma DUO-Shi Shimano Power Meter...

The Favero Assioma Duo-Shi Shimano Power Meter. Power meter with sensors on both pedals. The best choice to take full advantage of the real dual-sided measurement.

€ 495,00

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Shipped in 1 week
€ 314,04 In stock

Wahoo ELEMNT RIVAL GPS Watch Stealth Grey

Introducing... the new Wahoo ELEMNT RIVAL Watch that offers you a seamless performance advantage!

€ 314,04

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In stock
€ 561,16 In 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!

€ 561,16

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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.
€ 652,07 In stock

ROTOR INpower DM Road Crankset Kit Powermeter

Rotor Power Pack Road INpower: Powermeter Bundle INpower DM Road with chainrings.

€ 652,07

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In stock
€ 60,00 In stock

Synofit Premium Dietary Supplements

€ 60,00

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In stock
€ 289,25 In stock

Wahoo Fitness ELEMNT ROAM Bike Computer

The Wahoo ELEMNT ROAM is the new bike computer 4.0! It has ANT+ and bluetooth 4.0. Connect with every BTE and ANT+ device and you'll have your info on a nice full-colour 2.7" GorillaGlass screen

€ 289,25

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In stock
€ 908,26 In stock

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

€ 908,26

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In stock
€ 41,28 In stock

Wahoo TICKR Bluetooth ANT+ Heart Rate Monitor

iPhone and Android Heart Rate Sensor

€ 41,28

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In stock

€ 16,49 In stock
New

Rotor QX2 SRAM XX Chainring Bolts

Very light chainring bolt set for SRAM XX 2-speed, consisting of 4 bolts and 4 nuts.

€ 16,49

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In stock
€ 49,55 In stock
New

Tektro HD-T525 Auriga Brake Lever Hydraulic

Tektro HD-T525 Auriga Brake Lever Hydraulic

€ 49,55

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In stock

€ 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

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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%

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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
€ 156,99 € 165,25 -5% In stock
Sale!

TRP EuroX carbon caliper brake cyclocross

TRP EuroX carbon cantilever caliper cyclocross rear&front Super lightweight and super stiff with red accents!Weight 109 grams per wheel. The best you can get!

€ 156,99 € 165,25 -5%

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In stock