CeramicSpeed PF4630 OSBB Coated Bottom Bracket

Code: CS.BB.C.PF4630.OSBB
  • £329.95
Item in Stock | Usually dispatched within 48 hours
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OSBB is the acronym for Specialized?s OverSized Bottom Bracket. It features a 46mm diameter and 61mm width shell. As it is unique, it requires a unique bottom bracket to mate BB30 cranks to it.

The cups come installed with one of two CeramicSpeed bearings. The Standard Bearing has ceramic CS balls and hardened-steel races. The Coated Bearing has the same balls running on hardened-steel races with a 3-micron thick metallic coating making the races harder and smoother, increasing service life and reducing friction.

In The Box

  • 2 cups with bearings installed.
  • 2 3mm spacers.
  • 2 1mm spacers.
  • 2 0.5mm spacers.
  • 2 dust covers.
  • Wave washer.
  • Telescoping spacer tube.
  • 10ml All Round Grease.
  • Sticker sheet.

Specialized?s bottom bracket standard is narrower than most. As a result, you?ll find several spacers packaged with. They take up the space from the 61mm of the shell to the 68mm that is more common for BB30 cranks, which have also have a 30mm spindle.

The OSBB and BB30 are both performance enhancers. CeramicSpeed?s bottom bracket improves the performance of both. It?s also nearly zero drag. Standard Bearings typically have frictional drag of 0.3-0.4 watts per set. That?s in the range of a 75% drag reduction compared to conventional bottom brackets. The bearings last at least three times longer than other bearings.

Performance can be customized by changing the grease. All Round comes with, but you can change it to TT and Track Grease for less drag or to LongLife for greater durability.

 

PLEASE NOTE !

Trek's policy states that we are unable to ship out Trek Bikes by courier, all Trek bikes are clearly marked Shop Collection!

All out products are shipped by Fedex providing unprecedented reliability and speed. Please provide Mobile number for tracking!

Shipping on all domestic orders over £50.00 (including bikes* and home trainers) for delivery within the UK is completely FREE!

To qualify for free shipping:

Your delivery address must be within the United Kingdom

Your order, after any discounts, must be £50.00 or over

For all other orders including those under £50.00 there is a postage charge of;

Order Value After Discounts & Codes:

                     £0.00 - £9.99 - £5.00

                     £10.00 - £19.99 - £4.00

                     £20.00 - £29.99 - £3.00

                     £30.00 - £49.99 - £1.50

                     £50.00 + FOC

all items are shipped by courier not royal mail (except for BFPO's)

European & International delivery charges are dependent on basket value & weight this will be shown in the basket.

Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.

If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)8448 112299.  Handling is normally 48 hours, but at busy periods this may be extended but we will endeavour to process your order within 5 working days, please contact us for more details

· Please Note : Trek Bikes cannot be shipped and are store collection or Van Delivery (ring for quote)

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