Shimano Alfine SL-S503 8 Speed Rapidfire Shifter - Right Hand - Black

£34.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
- Alfine Rapidfire lever with easy to read optical gear display
- Precise Shimano Rapidfire shifting developed for Alfine and Nexus Inter-8 pitch ratio
- Comes complete with inner and outer cable SP41 cable
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Questions & Answers (12) Q & A
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Questions & Answers (12)
What brake lever is it compatible with?
16 Apr 2023
Wondering what brake lever can be used with this shifter to save space on the bar.
Pretty much all flat bar brake levers will work with these shifters, you will need around 20-30mm of space for the lever clamp depending on the lever. SK 17/04/23
What is the clamp size?
02 Feb 2023
thanks so much : )
The clamp is designed to fit standard 22.2 bars down at the grip end. SK 03/02/23
Will this work with a Nexus 7 hub?
10 Jan 2022
No, as the indexing is diffrent.

JK 10.01.22
Can I use this with a Shiman compatible external rear deraillerr
01 Jun 2021
Looking to fit onto my Vitus Nucleus VR 27
No, This is designed only for the Shimano internally geared hubs Alfine & Nexus models only.

JK 02.06.21
Can i use this with Shimano RD-TX800 Tourney 8 Speedx
16 Jan 2021
Im trying to upgrade my sons bike from shimano revo grip shifter?
Sadly no, as Alfine shifters have different cable pull to normal 8-speed shifters.

Thanks 18.01.21
Does this facilitate 'standard' shifting pattern #2
10 Jul 2020
Sorry about the question...Is a thumb press changing to an 'easier' gear and finger press to a harder one?
tumb is shifting up into easier gears, and finger pull into lower gears.
Does this facilitate 'standard' shifting pattern?
10 Jul 2020
Just wondering if this changes gears in the same direction as a standard derailleur or is it reversed - Hoping its thumb press to advance the gearing and finger to gear down. I am planning to use on a Nexus 8
Yes, so thumb press to go up and finger pull to go down
Could this be used with a 7 speed biopace setup and match the gear spacings? Thanks.
07 May 2020
it would depend on the front mech, 7 and 8 speed spacing is as near as matters identical, you'd need a 7 or 8s MTN front mech such as Shimano Altus FD-M310 8 Speed Conventional Swing Front Derailleur - Multi 28.6/31.8/34.9mm (SJS Cycles part number : 37286) RT
Does it come with rubber boot
14 Apr 2020
Hi, there is no rubber boot at the hub end of the cable. Thanks 14/04/2020
Would it fit onto a drop bar handle bar? looking to convert single speed to a hub gear
04 Dec 2019
Hi there,

You should be able to fit this on the flat part of the bar if it has a 22mm diameter.

I have a 501 hub is it compatible
27 Feb 2018
Hi there,

Yes this should work with your 501 hub.

Will this shifter work with a Nexus 8 speed hub?
29 Oct 2017

This shifter will indeed work with a Nexus 8 speed hub.