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- FSA OS-99 Oversize Stem
FSA OS-99 Oversize Stem
FSA OS-99 Oversize Stem
Add FSA OS-99 Oversize Stem to your basket now
| Black | 080mm x 31.8mm | Add this item to your wishlist | ||||
| Black | 090mm x 31.8mm | Add this item to your wishlist | ||||
| Black | 100mm x 31.8mm | Add this item to your wishlist | ||||
| Black | 110mm x 31.8mm | Add this item to your wishlist | ||||
| Black | 120mm x 31.8mm | Add this item to your wishlist | ||||
| Black | 130mm x 31.8mm | Add this item to your wishlist | ||||
Top Features of the FSA OS-99 Oversize Stem
Forged and machined alloy stem, formed for minimum weight and maximum stiffness.
- 3D forged and CNC machined from AL7050 material
- 4 bolt sculpted SL face plate
- Titanium hardware
- 31.8mm handlebar clamp diametre
- 40mm fork clamp stack height
- Black anodised finish
- Flip-flop colour graphics
- Weight 111g ±10%
- MTB
- Road
The perfect amount of AL7050 material, forged SL front plate and Ti hardware ensure a sub 100g weight. The two bolt steerer clamp is offset-aligned to perfectly clamp carbon, alloy or steel steerer tubes.
About the FSA brand
The driving force of bicycle component maker Full Speed Ahead is well captured in their name. FSA stays ahead of the competition through design innovation and manufacturing expertise. FSA's manufacturing base is in Taiwan, but they are truly a global company, with offices in the USA & Italy that collaborate to direct FSA's component development. FSA offers solutions for speed across a broad range of bicycle components; from headsets to wheels; cranksets and bottom brackets, Vision Time Trial & Triathlon bars and handlebars & stems. Why FSA win: Using ceramic, stainless steel, titanium and a half dozen grades of aluminium and numerous composite materials including molded, tubular and high-compression plate carbon fibre gives them the ability to apply the perfect material to each specific application.
Finance for the OS-99 Oversize Stem
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Delivery Information
- This item qualifies for FREE DELIVERY
- Order in stock items before 2pm GMT with priority Despatch to have your item despatched the same working day.
- You can update you currency and delivery destination via the International Options feature at the top right of the website.
For more information on product pricing and sales tax visit our product pricing help page. - Need help or unsure? If you have any questions regarding delivery please email Sales@Wiggle.co.uk.
Returns Information
- We will happily refund or exchange any item purchased on Wiggle if returned to us within 30 days, excluding Wiggle gift vouchers and personalised products except when faulty.
- We make no charge for returns - there is no restocking fee.
- Returned goods must be unused and supplied with their original packaging.
- We pay the return postage on any faulty item - Read more.


Available to UK residents only.
