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Sirris R46 E-moto shock w/ MX tune | for Surron Ultra Bee
MX Tune is a motocross specific tune with balance, control, and bottoming resistance for the fastest speeds. It's firm suspension for maximum control and suppor
Product Overview
MX Tune is a motocross specific tune with balance, control, and bottoming resistance for the fastest speeds. It's firm suspension for maximum control and support for huge jumps, whoops and fast cornering. If you select the EBMX or MX spec, you’ll compromise a bit of trail plushness for improved bottoming resistance.
RIDER WEIGHT SPECS:
Sirris offers five weight ranges to choose from when selecting your MX Tune R46 shock. (
Listed weight ranges are rider weight without riding gear on.
15 pounds of riding gear is calculated into the weight ranges)
120 lbs - 160 lbs (Light ships with 85 N/mm spring)
160 lbs - 200 lbs (Medium ships with 95 N/mm spring)
200 lbs - 240 lbs (Heavy ships with 105 N/mm spring)
240 lbs - 280 lbs (X Heavy ships with 115 N/mm spring)
280 lbs - 320 lbs (XX Heavy ships with 115 N/mm spring)
PRODUCT SPECS:
Architecture
Piggyback, steel spring
Stroke
85 mm
Length
320 mm
Weight
3.9 lbs / 1.76 kg without spring
Piston
High flow Ø46 mm, CNC 6061 billet aluminum, type 3 hard anodized coating
Piston band
Hard band
Shaft
Ø16 mm OD chrome-plated, induction hardened steel, hollow, Ø 5.5 mm ID
Shock body
Seamless 6061 aluminum, type 3 hard anodized coating, ACME thread
Spring retainer
Seamless 6061 aluminum, type 3 hard anodized coating, ACME thread, with locking feature, manual adjust
Bottom out
MCU bumper
Top out
Rubber bumper
Damping
Tunable compression and rebound
Reservoir
Pressurized with floating piston
Adjusters
External compression and rebound adjustment
Seals
NBR
Technical Specifications
| Brand | Sirris Store |
|---|---|
| SKU Identifier | 246-99-007-LTE-XX RR SHOCK, SURRON UB AM, 46MM, 320MM X 84.2MM, MX, LTE |
| Warranty Term | 2 Years Limited Warranty |
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Shipping Policies
E-bikes ship with specialized heavy freight ground carriers in custom reinforced double-walled protective cartons. Delivery typically completes in 3–5 business days. Free shipping applies automatically to all orders over $500.
2-Year Limited Warranty
Surron electric bikes carry an extensive 2-year warranty covering frame integrity, motor internals, and electronic controllers against manufacturing defects. Battery packs are guaranteed to retain at least 70% capacity through 500 charge cycles.
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