Shimano XT Hollowtech II BB-MT800 bottom bracket for XT FC-M8000 cranksets.
The all-new DEORE XT FC-M8000 cranks turn on an updated HOLLOWTECH II press fit (BB-MT800-PA) or threaded (MT800) bottom bracket. Using smaller, lighter bearings and a seal system proven on both XTR and road groups, the new bottom bracket reduces weight and bearing drag while improving mud durability. In short, less weight and increased rotational efficiency results in a faster DEORE XT ride.
All Terrain Cycles are now offering a Home Delivery service.
Our Cytech qualified mechanics will first make sure that your bike is fully checked and ready to ride.
Then we will deliver it completely assembled direct to your home or place of work where we will set up your bike for your personal needs and answer any questions you may have. All for just £50.00.
Our delivery map indicates a general area, however, if you do not see your location on the map please call us on 01274 588488 to discuss a special delivery.
After the first few weeks of use, the whole bike will settle down. As a result, the gears may need tweaking, some nuts and bolts may need tightening and you may well need to check the adjustment of the saddle and handlebars.
One of our Cytech qualified mechanics will hand build your bike leaving only a few minor adjustments for you to do once your new bike arrives. Our mechanic will also complete a rigorous Pre-Delivery Inspection (PDI) before carefully re-packing for shipping to you; but in order to fit the bike back into its box for delivery, some disassembly has to be done. Re-assembly of these parts should be straightforward and should not take very long.
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Stock is held at our two stores and at an external warehouse, and as a consequence our website does not show live stock.
Upon placing an online order we will notify you if we are unable to fulfil your order within 1-5 working days.
We do not charge your credit or debit card until we dispatch your order, unless by prior agreement or as a holding deposit for special purchase items.
Our mail Order Customer service is open Monday to Friday 8am to 5.30pm
If you are visiting one of our stores and interested in a specific item, please ring us on 01274 588 488 to check that it is available at the store you are visiting before making a special trip.
This telephone number is manned 7 days a week in line with our shop opening hours.
Goods must be returned within 30 days of receipt.
Returned goods must be unused, in a saleable condition and in their original packaging with all labels still attached.
Goods must not be fitted or used.
All Goods must be accompanied with a Completed Returns Form.
Goods can be returned to the Store for a refund or exchange. A Completed Returns form must accompany all goods returned to the store; the refund however will be processed by the Mail Order Customer Service Staff and not by the Store Staff so the refund may not be immediate.
To read more about our delivery/returns please click here
The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider’s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer.