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The Praxis BSA MTB Bottom Bracket fits Shimano Hollowtech II cranks with a 24 mm spindle into BSA (English) threaded mountain bike frames. This is the mountain version, set up for 73 mm shells and supplied with spacers so it also fits 68 mm MTB shells. Forged, CNC-machined alloy cups carry sealed Enduro 2437 steel cartridge bearings. A straightforward, well-made replacement for a worn original-equipment bottom bracket.
Key Features
Threaded external-bearing bottom bracket for BSA frames
24 mm bearings on both sides for Shimano Hollowtech II spindles
Sealed Enduro 2437 steel cartridge bearings
Forged, CNC-machined and heat-treated alloy cups
Three 2.5 mm spacers included for setting up in 68 mm or 73 mm MTB shells
Average weight 95 g
Compatibility
Frame: BSA (English) threaded shells, 73 mm MTB, or 68 mm MTB with the supplied spacers
Crankset: Shimano Hollowtech II and other cranks with a 24 mm spindle that is the same diameter on both sides
Front derailleur: braze-on, clamp-on or direct mount
Not compatible with SRAM GXP or Praxis M24 cranks (24/22 mm stepped spindle). Praxis make a separate M24 bottom bracket for those
Not for press-fit, BB30/PF30 or T47 frames
Included
Drive-side cup with 24 mm bearing
Non-drive-side cup with 24 mm bearing
2 × Shimano-type dust covers
3 × 2.5 mm cup spacers
Not Included / Required Separately
16-notch external BB cup tool, 44 mm ID (e.g. Shimano TL-FC32/TL-FC33, Park Tool BBT-9)
Torque wrench (cups tighten to 40 Nm)
Grease or anti-seize compound for the threads
Crankset
Specifications
Specification
Detail
Brand
Praxis Works
Model
Shimano BSA Threaded, MTB version
Frame Standard
BSA / English threaded
Shell Width
73 mm MTB (68 mm MTB with spacers)
Spindle Compatibility
24 mm (24 mm drive / 24 mm non-drive)
Crank Compatibility
Shimano Hollowtech II
Bearing Type
External, sealed cartridge
Bearings
Enduro 2437 steel
Cup Material
7075-T6 aluminium alloy, forged and CNC machined
Spacers Supplied
3 × 2.5 mm
Installation Tool
16-notch external cup tool, 44 mm ID
Installation Torque
40 Nm
Weight
95 g (average, manufacturer figure)
Colours
Black anodised
Warranty
2 years (manufacturer)
A properly made threaded bottom bracket for Shimano 24 mm MTB cranks, built around quality sealed bearings.
Code:
DELIVERY
Delivery to mainland UK addresses are free for orders over £40. Except when you choose delivery to a third party (Click and Collect) there is a charge of £5.95 to cover some of the additional cost the couriers charge for this service. If you choose to collect from Fawkes warehouse there is no shipping charge.
There will an additional charge for deliveries to Highlands and Islands.
RETURNS TO FAWKES
Whether it’s a jersey that doesn’t fit, or the colour is not quite right, sometimes you’ll need to return items to us.
If an item is 'as new' and has not been used or fitted in any way, you can return it to us by post within 90 days of delivery for a refund. Please ensure that the goods are returned in their original packaging and are in an unused condition.
Please click HEREto print and then complete the returns form and include it inside your parcel.
If you wish you can use our Royal Mail Returns service please follow the instructions on the link below to return your parcel to us.
Please pack the item carefully to avoid damaged during shipping.
Customers need to pay the cost of return delivery unless the item is faulty and this will be deducted from your refund, currently £3.95.
If your have a large item e.g. Child seat, Bike, trailer etc. please contact our customer service team at Guy@fawkes-cycles.co.uk to arrange the best way to return your item, the cost will be deducted from your refund.
You will not receive a refund for the retail value of any free or promotional items you are sent, and you will be charged if they are not returned.
UNWANTED ITEMS
If you change your mind on your purchase, you have a full 90 days to return it for a refund. All Goods must be unused, in a saleable condition and in their original packaging with all labels still attached.
Please pack the item carefully to avoid damaged during shipping.
There are some exclusions to our 90 day returns policy, which are detailed below:
Nutritional products or those with a best before date must be returned within 28 days*
Any customised items such as wheel builds cannot be returned*
GPS systems such as sports watches or cycle computers can only be returned if unregistered*
For hygiene reasons, any intimate garments such as facemasks, underwear and swimsuits can only be returned if the items are faulty.
*Unless faulty
If you wish to return your item for a refund, please follow the returns procedure above.
We try our best to process all refunds within 14 working days. We'll refund your item via your original payment method.
You will not receive a refund for the retail value of any free items you are sent, and Fawkes may charge you for this item if you fail to return it
FAULTY ITEMS
If you feel that your purchase has developed a fault, then please contact us with photographs of the issue before returning any goods - we may be able to solve your problem without you incurring any further inconvenience.
If you find a fault with your item, send it back to us and we'll take a look at it as soon as we can. Items sent back to us will undergo an inspection and it may be necessary to send the item away to the manufacturer to confirm the fault. If we confirm a manufacturing fault, we'll happily replace or refund it.
Please pack the item carefully to avoid damaged during shipping.
Faulty items should be returned within a reasonable time and in a clean and dry condition. PLEASE NOTE, WE WILL NOT PROCESS DIRTY ITEMS.
Please enclose all your details and a covering note explaining the fault and any other useful details.
We'll try to get back to you within 14 working days of receipt of your parcel, although during busy periods this may take slightly longer.
Your statutory rights are not affected.
We reserve the right to recharge return carriage on items where no fault is identified.
Customer Service Email: Guy@Fawkes-Cycles.co.uk
Please contact us for our Payment & Security policy.
Contact us with any questions you have about this product