Collection
Collect free from our Ashby-de-la-Zouch showroom. Bikes are fully inspected and safety-checked before handover.
1/5
Why you'll love it
Fox Float X Performance EVOL, 185x55mm.
2-position compression (Open/Firm), rebound, air preload. Trunnion top mount, 30x8mm bottom bushings
Who it's for
Ideal for 1
ENDURO/AM riding
Ideal for 2
Weekend trail rides and forest loops
Ideal for 3
Building skills at trail centres
Key technology & features
Frame
Aluminium
Groupset
Sram GX Eagle AXS T-Type
Motor
Bosch Performance Line SX (25Km/h) GEN4 SMART SYSTEM Diagonal, Wide
Battery
400Wh
Travel
160mm fork · 150mm rear
Wheels
29"
Built to ride
Mondraker ENDURO/AM performance
Premium bikes, expert setup, and Midlands riding from Stretton Bikes in Ashby-de-la-Zouch.
Specifications
- Frame
- 6061 Alloy Stealth Evo, hydroformed tubing, Updated Zero Suspension System, 150mm travel, Forward Geometry, internal battery, Boost 12x148mm rear axle, tapered head tube, one-piece Monoblock upper link, HHG internal cable routing, MAX capacity sealed bearings, oversize 15mm axles, exclusive plastic motor covers.
Frame sizing for Sly Rr 29
Official manufacturer size guidance for the Mondraker Sly Rr 29 is being added. Contact Stretton Bikes in Ashby-de-la-Zouch for expert sizing advice.
Sizing
Find Your Perfect Size
Choosing the correct frame size makes a huge difference to comfort, confidence and performance. Enter your height below to see the official manufacturer recommendation.
Available sizes: S, M, M/L, L, XLColours: Blue / Black, Gray / Black / Yellow
Your height
5'9"
140 cm210 cm
Recommendation
Size guidance coming soon — contact Stretton Bikes for advice.
View Full Geometry+
Reach, stack, seat tube, head angle, chainstay, wheelbase, BB drop, standover, effective top tube, and seat angle measurements.
| Measurement | Value |
|---|---|
| Seat tube / reach | 380mm |
| Seat tube / reach | 410mm |
| Seat tube / reach | 435mm |
| Seat tube / reach | 460mm |
| Seat tube / reach | 490mm |
Still unsure?
Our team build and size bikes every day. Call us, email us or visit our Ashby-de-la-Zouch showroom and we'll help you choose the perfect size.
Get Sizing AdviceDelivery & collection
Delivery
- Free delivery on bikes over £1,000.
- Bikes under £1,000: £60 delivery.
- Delivery available to England and Wales only.
Why buy from Stretton Bikes
Authorised dealer for Mondraker, Basso and Marin
Showroom and workshop in Ashby-de-la-Zouch, serving the Midlands
Professional bike fitting and independent advice
Cycle to Work and finance enquiries handled personally
Every bike safety-checked before handover
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FAQs
This bike is available to order. Lead times vary by brand and size — we will confirm when you enquire.
Product details
About the Sly Rr 29
Sly Rr — ENDURO/AM bike from Mondraker. Powered by Bosch Performance Line SX (25Km/h) GEN4 SMART SYSTEM Diagonal, Wide.
- 6061 Alloy Stealth Evo, hydroformed tubing, Updated Zero Suspension System, 150mm travel, Forward Geometry, internal & non removable battery, Boost 12x148mm rear axle, UDH, tapered head tube, one-piece Monoblock upper link, HHG internal cable routing, MAX capacity sealed bearings, oversize 15mm axles, exclusive plastic motor covers.
- Rear
- Fox Float X Performance EVOL, 185x55mm.
- 2-position compression (Open/Firm), rebound, air preload. Trunnion top mount, 30x8mm bottom bushings
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Bike shop Ashby-de-la-Zouch
Visit our Midlands showroom or enquire online.
Bike fitting
Professional fit consultations in store.
Workshop services
Servicing, repairs, and Bosch e-bike support.
Finance options
Spread the cost of your new bike.