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United KL40 Expert BMX Bike-21"TT-Trans Gold

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About This Product: United KL40 Expert BMX Bike-21"TT-Trans Gold


The United 2015 KL40 Expert complete bike with 100% cromo frame and fork, sealed bearings, and double wall rear rim. The KL40 Expert is our intermediate level complete bike aimed at the rider who is progressing at the trails and wants something a little more reliable when they are out roastin’ Designed and developed with dirt in mind and everything from geometry to components chosen as carefully as possible.

Top tube Length: 21"
Chainstay Length: 13.7"
Headtube Angle: 74.25°
Seattube Angle: 71°

Recommended Rider Height
: 5'8" - 6'

FRAME: 100% 4130 cromo tubing with removable brake mounts and guides, integrated head tube, mid bb, embossed down tube logo gusset
FORKS: 100% 4130 cromo with cnc steerer, integrated bearing race, tapered legs with angled ends and cnc dropout holes
HANDLEBARS: 8.65 in rise, 29 in wide, 12° back sweep, 1° up sweep, 100% 4130 cromo
GRIPS: United Jimmy, United nylon bar ends
HEADSET: United sealed bearing integrated
STEM: United 50mm reach top load stem with United logos and forged detailing
LEVER: Alloy
BRAKE: Tektro 990
CRANKS: 3pc 175mm, heat treated tubular cromo, 19mm 8 spline spindle, stamped United logo
BB: United sealed bearing mid, 19mm
SPROCKET: United 28t, steel
PEDALS: United Valentino Nylon
CHAIN: United Supreme X410
REAR RIM: Alloy 36h, double wall
FRONT RIM: Alloy 36h, aero profile, single wall
REAR HUB: 36h United Supreme sealed alloy cassette, female axle, sealed bearing 9t driver, 4 pawl, ultra load mech
FRONT HUB: 36h alloy, 10mm axle
REAR TIRE: United Direct 20 x 2.1
FRONT TIRE: United Indirect 20 x 2.35
SEAT: United KL40 slim tripod
SEAT POST: United alloy tripod
SSEAT CLAMP: Alloy with machined detail
PEGS: n/a

WEIGHT: 23.9 lbs / 10.84 kg

NOTE: As with any complete bike, J&R Bicycles recommends that you have a professional bicycle store build your bike. Bikes ordered through mail-order come partially assembled and need to be inspected and assembled by a bicycle mechanic. Failure to do so may void the manufacture's warranty. Manufacture's warranties differ for every brand. You can check the brand's website for warranty information.

Additional Information

Barcode 030753
Special Shipping Group No

Complete Bike specifications and components may differ from photos and description. Manufacturers reserve the right to make changes and/or substitutions due to parts availability, production requirements and ongoing development decisions.

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