United Martinez BMX Bike-20.5"TT-Black

The United 2015 Martinez complete bike built with the kind of geometry for comfortable riding featuring sealed bearings and double wall rims.


FRAME SPECS:
Top tube Length: 20.5"
Chainstay Length: 13.25"
Headtube Angle: 75°
Seattube Angle: 71°

Recommended Rider Height: 5' 2" - 5' 9"

SPECS:
FRAME: 4130 cromo down tube, welded brake mounts and guides, integrated head tube, mid bb, embossed logo top and downtube gussets
FORKS:Cromo cnc steerer tube, integrated bearing race, tapered 1020 hi tensile steel legs with angled ends
HANDLEBAR: 8.85 in rise, 28.5 in wide, 10° back sweep, 2° up sweep, 1020 hi ten steel
GRIPS: United flangeless, United nylon ends
HEADSET: United sealed bearing integrated
STEM: United 50mm reach top load stem with United logos and forged detailing on sides and top plate
LEVER: Alloy
BRAKE: 990
CRANKS: 3 pc 170mm, tubular cromo, 19mm 8 spline spindle, stamped United logo
BB: United sealed bearing mid, 19mm
SPROCKET: United 25t, steel
PEDALS: United Valentino Nylon
CHAIN: United Supreme X410
REAR RIM: Alloy 36h, double wall
FRONT RIM: Alloy 36h, double wall
REAR HUB: 36h United Supreme sealed alloy cassette, 14mm axle, sealed bearing 9t driver, 4 pawl, ultra load mech
FRONT HUB: 36h alloy, sealed bearing, 10mm axle
REAR TIRE: United Direct 20 x 2.4
FRONT TIRE: United Direct 20 x 2.4
SEAT: United Martinez medium pivotal
SEAT POST: United alloy pivotal
SEAT CLAMP: Alloy
PEGS: 2 x steel 100mm

WEIGHT:  24.9 lbs / 11.29 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.