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Posted 20 hours ago

Shimano Deore SM-BH90 Cuttable Hose

£5.995£11.99Clearance
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ZTS2023
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About this deal

If you are shortening your Shimano brake hoses and you are not sure which hydraulic hose insert to use then you have landed in the right place. On this forum (see link at end of paragraph) it is suggested that Shimano's BH59 and BH90 hoses are compatible with each other, which confuses me since I thought the inner diameter was different, perhaps it could work when using the correct insert (the one that matches the brake hose being used), could someone please confirm? Link: https://www.reddit.com/r/bikewrench/comments/7r26uy/hydraulic_brake_hose_diameters_and/ (see answer by user "beyondfar")

I am looking to buy some (approx 30 meter) hydraulic brake hose for general use (fixing brakes) and would like to know what size (inner diameter/outer diameter) would be most suitable for the bigger brands of brakes (Shimano, Magura, Tektro etc.) As far as hoses go, you can use BH59 or BH90, which are the same outer dimensions, different internal dimensions (BH90 is more expensive, and more rigid). You need to match the fittings then to the lever & caliper (since the hose is the same external dimension, you can use either BH59 or BH90 with any lever & caliper combination, with the correct (BH59 or BH90) insert). The M3050 caliper is a straight fitting (much more expensive calipers may be banjo), whereas any lever is likely to be straight.If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item. If you find an item at a lower price with another commercial internet retailer, you will receive it from us at the same price, provided the conditions listed in the link are met. Which ID/OD hose would be the best to get for 'general use' (using the appropriate olives/inserts for each brand)? If it is not particularly worthwhile reusing your (used?) pads, calipers, then you might well end up with a totally different set of brakes. If you buy hose by the metre, from a bulk supplier, then it might well be cheaper than buying a set such as I listed above. The olive and inserts are inexpensive, so possibly you could make it work if you did it like this. You would need 2.5m, minimum, for two brakes, possibly more depending on frame/fork. You would also want to buy a hydraulic hose cutter (you can use a knife, but a cutter is cleaner), and then hydraulic brake mineral oil (Finish Line, Shimano brand, maybe others should be ok)

Below you will find a list of Shimano hydraulic brake model numbers arranged by lever/calliper combination. Simply look up your model number to identify whether you need the BH59 or BH90 hose insert. Do different product lines/products within the same brand use different diameter hoses? (other than the differences I've listed between Shimano BH90 and BH59)

Shimano SM-BH90-JK Disc Hose

If you have these M3050 brifters still, they are not really worth replacing, since 9-speed is fine.

Chain reaction Cycles and CRC are trading names of Wiggle Ltd (In Administration) registered in the United Kingdom at 1000 Lakeside, Suite 310, Third Floor N E Wing, Portsmouth, Hampshire, PO6 3EN, M3050 would have been paired with ST-M3050, which is 9-speed and has MTB-style (short brake levers). MT200 levers are longer, which for MTBing makes 1-finger braking more difficult - Shimano gives long levers on their cheapest brakes. So your calipers may have little value to you since the levers and hoses will almost certainly cost as much as buying a whole new brakeset, while the hoses alone will cost nearly as much as a full brake set. If you buy the cheapest set of Shimano brakes, which would be MT200, then this would be the same quality as M3050, but would come with (if you buy a complete brake) hose, lever, new caliper, and new pads. In addition, typically if you are careful when fitting these will not require bleeding, whereas if you buy new hose then you will need hydraulic oil, and tools for bleeding. Note that if you find a 'jk' model that refers to j-kit, which is a pre-filled hydraulic hose system intended to make brakes easier to fit and shorten without oil loss/bleeding; this is most benefit on road bikes with under-tape hose, so that a dangly bit can be re-attached. However it doesn't matter for you if you have it or not

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