UnitedBMX 2017 Martinez 20.5"
See the full range and shop/locate your local dealer here: http://unitedbikeco.com/collections/bikes
TOP TUBE LENGTH: 20.5”
FRAME: 4130 cromo down tube, welded brake mounts and guides, integrated head tube, mid bb, embossed logo top and downtube gussets
GEOMETRY: HT: 75° / CS: 13.25” / SO: 9” / BB: 11.8” / ST: 71°
FORKS: Cromo cnc steerer tube, integrated bearing race, tapered 1020 hi tensile steel legs with angled ends
HANDLEBARS: 8.85” x 28.5” 1020 hi tensile steel with 2° up sweep, 10° back sweep
GRIPS: United flangeless & United ends
HEADSET: United sealed bearing, int.
STEM: United 50mm reach top load stem with embossed United logo on faceplate and forged detailing on sides
LEVER: Alloy
BRAKE: Tektro 990
CRANKS: 3pc 170mm, heat treated cromo, 8 spline, stamped United logo
BB: United sealed bearing mid
SPROCKET: United 25t, steel
PEDALS: United Valentino nylon pedals
CHAIN: United Supreme X410
REAR RIM: Alloy 36h, single wall
FRONT RIM: Alloy 36h, single wall
REAR HUB: 36h United Supreme sealed alloy cassette hub with 14mm axle, sealed bearing 9t driver, 4 pawl, ultra loud mechanism
FRONT HUB: 36h alloy, sealed bearing, 10mm axle
REAR TYRE: United U-Slick 20 x 2.35"
FRONT TYRE: United U-Slick 20 x 2.35"
SEAT: United Martinez medium Tripod, Kevlar cover with custom United patch on rear
SEAT POST: United alloy Tripod
SEAT CLAMP: Alloy
PEGS: 2 x steel 100mm
WEIGHT: 24.9 lbs / 11.29 kg
COLOURS: Trans Gold & Gloss White
More Videos
Chloe Covell 🥇 Women’s Street Best Trick X Games Salt Lake City
30th June, 2025
Congratulations to team rider Chloe Covell for winning women’s street best trick @XGames Salt Lake City! 🥇 ...
Gavin Bottger 🥇 X Games Men’s Park Salt Lake City
29th June, 2025
Congratulations to team rider Gavin Bottger for winning men’s park @XGames Salt Lake City! 🥇 ...
#XGames is officially three decades old! Cheers to 30 years @PacificoBeer
29th June, 2025
____X Games — your destination for all things action sports, music, lifestyle and everything in between. Visit our official homepage at for more coverage and highlights.SUBSCRIBE: us on Social @XGames:Instagram ► ► ► ► ► ► @xgamesText Us! ► (772) 494-2637Thanks for watching ...
Yuto Horigome 🥇 Men’s Street X Games Salt Lake City!
29th June, 2025
Congratulations Yuto Horigome for winning men’s street @XGames Salt Lake City! 🥇 ...
Related Posts
We got Bryce Wettstein in the SONIC Ice Bath ❄️ @sonicdrivein
29th June, 2025
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. ...
Julien Vanstippen wins gold in Moto X Best Whip at #XGamesSLC 2025 Presented by SONIC!
29th June, 2025
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. ...
Tom Parsons wins silver in Moto X Best Whip at #XGamesSLC 2025 Presented by SONIC!
29th June, 2025
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. ...
Jarryd McNeil wins bronze in Moto X Best Whip at #XGamesSLC 2025 Presented by SONIC!
29th June, 2025
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. ...
Arisa Trew wins gold in Women’s Skateboard Vert Best Trick at #XGamesSLC 2025 Presented by SONIC!
29th June, 2025
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. ...
Trending Posts
Getting Musical (August '23 update)
2nd August, 2023
Hello! It's been almost 6 months since I wrote up an update so it's past overdue for one. So what's been going on on this site? Well, I've been making a lot of small updates both internal and external to the site. Some internal changes are just to help me be able ...
Chloe Covell 🥇 Women’s Street Best Trick X Games Salt Lake City
30th June, 2025
Congratulations to team rider Chloe Covell for winning women’s street best trick @XGames Salt Lake City! 🥇 ...
Moto X 最佳技巧：完整比赛 | X Games 盐湖城 2025
29th June, 2025
观看完整的 Moto X Best Trick 比赛2025 年盐湖城 X Games 由 SONIC 呈现！自本世纪初以来，最佳特技一直是自由式越野摩托车比赛的一项重要内容。车手们需要尝试完成尽可能高难度、最具创新性的特技。比赛将根据单个特技的整体难度和执行力进行评判，而创造力则备受推崇——从未有人完成的特技通常能获得高分。#XGames#XGamesSLC #MotoX#MTX____X Games — your destination for all things action sports, music, lifestyle and everything in between. Visit our official homepage at for more coverage and highlights.SUBSCRIBE: us on Social @XGames:Instagram ► ► ► ...
Even the happiest guy in BMX gets a little hangry, good thing we had some @sonicdrivein
29th June, 2025
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. ...