Deore XT 12 Speed Mech RD-M8100
RDM8100SGS
- XT Shadow plus 12-speed rear derailleur for fast and precise shifting performance optimized to take on any trail.
- Shadow plus features a super low profile design and optimized slant angle for super light shifting action.
- Shadow Plus uses a chain stabilising switch that when on, will reduce chain bounce in rough terrain, maintaining more stable drive and shifting.
- Single tension spring prevents contact with the chainstay resulting in a silent ride
- Rubber bumper on pulley cage for added silent drive.
- 13T pulleys and decreased derailleur tension prevent high chain tension in low gears.
- Direct cable routing prevents snagging from any trailside hazards.
- Full carbon fibre outer pulley cage saves weight while alloy inner cage increases rigidity.
- Cold forged wide alloy links and pivot body.
- Four fluorine-coated link pin bushings.
- Strong return spring for a positive shifting feel.
- Specifically designed to work with XT M8100 12-speed 1x drivetrains.
- Durable sealed 13T bearing pulleys for low friction.
- Top normal spring uses the spring to select higher gears.
- Max low sprocket:
- SGS: 51T (1x 12-speed).
- GS: 45T (1x 12-speed).
- Average weight 284g.
UK Delivery
Orders Over £50 – Free (Royal Mail)
Orders Under £50 – £4.95 (Royal Mail)
FedEx £5.95
Our standard delivery time is 3–5 working days. We do our very best to deliver orders within this time, but occasionally there are delays outwith our control, caused by either suppliers or couriers.
UK Bike Delivery
We offer free UK delivery on all bikes unless bought through a Ride To Work Scheme.
We don't currently deliver complete bikes outside the UK.
Custom-built bikes can be delivered in kit form (for you to assemble) – we can include shipping to your country in your quote.
International Orders
Due to the number of delivery options, the best way to get a shipping price is to add what you would like to your basket and begin the checkout. You'll be able to see the shipping price before you checkout.
Unless IOSS applies (see below) our website will remove UK VAT. You are likely to be liable for tax and duties in your delivery country.
IOSS - EU Orders Under £130
Tax and duties will be calculated at the checkout. Once you have paid 20Twenty, you will have nothing to pay in your delivery country.
