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Scott Scale RC 900 SL 29" Mountain Bike 2019

★★★★★ ★★★★★

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Product ID: 1051144

If the aim is to travel off-road as rapidly as possible, then look no further than the Scott Scale RC 900 SL 29" Mountain Bike.

With World Cup XC winning pedigree, a 1x XTR groupset and an incredibly light HMX SL carbon frame, this bike will convert all your effort into speed.

Why buy your bike from Sigma Sports?

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Expert Advice

Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.

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Built, Checked, Tuned and Tested

All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.

Free Bike Delivery

We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.

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Free 30-Day Bike Insurance

We've partnered with PedalSure to offer you 30-DAYS FREE bike insurance on new bikes over £400. Visit our Cycle Insurance page to learn more and claim.

Scott Scale RC 900 SL 29" Mountain Bike 2019

The Scott Scale RC 900 SL 29" Mountain Bike features a heady mix of premium Syncros componentry, an ultralight carbon frame and Shimano’s top mechanical groupset. The frame itself weighs less than 900 grams, and would be considered light if it were used for a road bike let alone a rugged off-road machine. Scott say that this generation of Scale is 47% more comfortable than the previous one, thanks in part to the Evo-Lap HMX SL carbon layup which allows the frame to be very stiff, very comfortable and very, very light. Comfort is further increased by the SDS2 technology which gives controlled flex at certain points both when standing and when seated.

Shimano’s top tier XTR groupset has long been the benchmark by which other mountain bike groupsets are judged, providing sharp shifting and excellent hydraulic braking in all conditions, With a single ring set up using a 32 tooth front chainring and a 12-speed 10-51 cassette all possible ratios are catered for.

The finishing kit and wheels are no afterthought here, with the cross-country racing heritage reflected in the super light 1,250 gram Syncros Silverton 1.0 wheelset and the other carbon componentry, including a very stiff and light one-piece bar and stem setup for maximum steering accuracy. These thoughtful specification choices all go together to help give the RC 900 SL 29er a total claimed weight of an incredible 9.05kg.


  • Scott Scale RC Carbon HMX SL 879 gram frame
  • FOX Kashima fork, FIT4 remote, 3-modes with low-speed adjustment
  • Shimano XTR groupset
  • Syncros Silverton 1.0 wheelset
  • Syncros SL carbon components

Technical Specification

FRAME Scott Scale RC Carbon, IMP technology, HMX SL 1x optimised, BB92, SW dropouts for Boost 12x148mm, SDS2 advanced Shock and Standing Damping System, ICCR cable routing
FORK FOX 32 SC Float Factory Air, Kashima FIT4 3-Modes with low speed adjust, Kabolt 15x110mm axle Tapered steerer, lockout, rebound adjustment 100mm travel
STEM Integrated with handlebar
HANDLEBAR Syncros Fraser iC SL Carbon integrated 9° 720mm Syncros Pro lock-on grips, Garmin mount
FRONT BRAKE Shimano XTR M9100 hydraulic disc 180mm RT-MT900 CL Rotor
REAR BRAKE Shimano XTR M9100 hydraulic disc 160mm RT-MT900 CL Rotor
REAR DERAILLEUR Shimano XTR RD-M9100 SGS Shadow Plus 12-speed
SHIFT LEVERS Shimano XTR SL-M9100-I Rapidfire Plus two way release, Ispec EV clamp
CASSETTE Shimano XTR CS-M9100-12-speed, 10-51t
CRANKSET Raceface Next SL 32t
FRONT WHEEL Syncros Silverton 1.0, F
REAR WHEEL Syncros Silverton 1.0 12x148mm Boost 26mm Tubeless ready rim / DT Swiss 190 Ratchet System and XTR Driver
FRONT TYRE Maxxis Rekon Race 2.25" 120TPI Kevlar Bead TR Tubeless Ready EXO, Syncros Eco Sealant
REAR TYRE Maxxis Rekon Race 2.25" 120TPI Kevlar Bead TR Tubeless Ready EXO, Syncros Eco Sealant
SADDLE Syncros XR1.0 SL carbon rails
SEATPOST Syncros FL1.0 SL carbon 10mm offset 31.6x400mm

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.

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